Search results “Foundations of quantum physics”

Matt Leifer's talk at FQXi's 5th International Conference

Views: 2490
FQXi

Lecture 1 of Leonard Susskind's Modern Physics course concentrating on Quantum Mechanics. Recorded January 14, 2008 at Stanford University.
This Stanford Continuing Studies course is the second of a six-quarter sequence of classes exploring the essential theoretical foundations of modern physics. The topics covered in this course focus on quantum mechanics. Leonard Susskind is the Felix Bloch Professor of Physics at Stanford University.
Complete playlist for the course:
http://youtube.com/view_play_list?p=189C0DCE90CB6D81
Stanford Continuing Studies: http://continuingstudies.stanford.edu/
About Leonard Susskind: http://www.stanford.edu/dept/physics/people/faculty/susskind_leonard.html
Stanford University channel on YouTube:
http://www.youtube.com/stanforduniversity

Views: 758876
Stanford

Hi Everyone, today we're sharing Quantum Mechanics made simple! This 20 minute explanation covers the basics and should give you a good foundation for understanding the principles of Quantum Mechanics.
TOPICS COVERED:
1). What are atoms made of? - 00:30
2). What is a particle? - 00:30
3). The Standard Model of Elementary Particles explained - 1:40
4). Higgs Field and Higgs Boson explained - 2:34
5). Quantum Leap explained - 3:07
6). Wave Particle duality explained - the Double slit experiment - 3:50
7). Schrödinger's equation explained - the "probability wave" - 6:09
7). How the act of measurement collapses a particle's wave function - 6:43
9). The Superposition Principle explained - 7:10
10). Schrödinger's cat explained - 8:19
11). Are particle's time traveling in the Double slit experiment? - 9:39
12). Many World's theory (Parallel universe's) explained - 12:23
13). Quantum Entanglement explained - 13:37
14). Spooky Action at a Distance explained - 14:09
15). Quantum Mechanics vs Einstein's explanation for Spooky action at a Distance (Bell's Theorem) - 15:40
16). Quantum Tunneling explained - 16:15
17). How the Sun Burns using Quantum Tunneling explained - 16:47
18). The Quantum Computer explained - 17:56
19). Quantum Teleportation explained - 18:24
20). Quantum Mechanics and General Relativity incompatibility explained. String theory - a possible theory of everything - introduced - 21:02
SOURCES:
Hunt for the Higgs - Horizon BBC documentary
Parallel Universes - Horizon BBC documentary
Quantum Mechanics - NOVA documentary, presented by Brian Greene
Inexplicable Universe - The Great Courses - presented by Neil deGrasse Tyson

Views: 1230279
LondonCityGirl – Knowledge

Lecture from the mini-series "Cosmology & Quantum Foundations" from the "Philosophy of Cosmology" project. A University of Oxford and Cambridge Collaboration.

Views: 17203
PhilosophyCosmology

Mathematical and Conceptual Foundation in Quantum Mechanics by:
Dr. Faisal Akram CHEP - Centre for High Energy Physics, University of the Punjab, Lahore, Pakistan
Click on the link for more about the speaker:
http://pu.edu.pk/faculty/description/393/Dr-Faisal-Akram.html

Views: 1241
Waseem Abbas

Foundations of Quantum Mechanics: Completeness
This lecture is a long and complex proof that every finite vector space is complete. The purpose is to demonstrate some of the methods of real and functional analysis as well as to emphasize the significance of a vector space being finite-dimensional to our intuition about vector space properties.
Please consider supporting this channel via Patreon:
https://www.patreon.com/XYLYXYLYX
and discussing the material on the forums:
https://www.patreon.com/XYLYXYLYX

Views: 848
XylyXylyX

Brian Greene moderates this fascinating program exploring the fundamental principles of Quantum Physics. Anyone with an interest in science will enjoy this thought-provoking and highly entertaining show.
PARTICIPANTS: Mark Van Raamsdonk, Gerard ’t Hooft, David Wallace, Birgitta Whaley
MODERATOR: Brian Greene
WATCH THE TRAILER: https://youtu.be/JxhfU_fvlAM
WATCH THE LIVE Q&A WITH MARK VAN RAAMSDONK: https://youtu.be/GvRNV6Gmmzk
Ninety years after the historic double-slit experiment, the quantum revolution shows no sign of slowing. Join a vibrant conversation with renowned leaders in theoretical physics, quantum computation, and philosophical foundations, focused on how quantum physics continues to impact understanding on issues profound and practical, from the edge of black holes and the fibers of spacetime to teleportation and the future of computers.
MORE INFO ABOUT THE PROGRAM AND PARTICIPANTS: https://www.worldsciencefestival.com/programs/computational-creativity/
This program is part of the Big Ideas Series, made possible with support from the John Templeton Foundation.
- Subscribe to our YouTube Channel for all the latest from WSF
- Visit our Website: http://www.worldsciencefestival.com/
- Like us on Facebook: https://www.facebook.com/worldsciencefestival/
- Follow us on Twitter: https://twitter.com/WorldSciFest
TOPICS:
- Brian Greene's introduction to Quantum Mechanics 00:09
- Participant Introductions 03:32
- Where do we currently stand with quantum mechanics? 05:30
- Chapter One - Quantum Basics 07:48
- The Double Slit experiment 14:18
- Chapter Two - Measurement and Entanglement 26:53
- Quantum Mechanics today is the best we have 41:27
- Chapter Three - Quantum Mechanics and Black Holes 59:07
- Black holes and Hawking Radiation 01:03:56
- Chapter Four - Quantum Mechanics and Spacetime 01:15:45
- Chapter Five - Applied Quantum 01:23:36
This program was recorded live on 6/2/17 and has been edited and condensed for our YouTube channel. Watch the original full livestream here: https://youtu.be/3qQ8r-_NdZo

Views: 745251
World Science Festival

Lecture 1 of Leonard Susskind's Modern Physics course concentrating on Quantum Mechanics. Recorded January 14, 2008 at Stanford University.
This Stanford Continuing Studies course is the second of a six-quarter sequence of classes exploring the essential theoretical foundations of modern physics. The topics covered in this course focus on quantum mechanics. Leonard Susskind is the Felix Bloch Professor of Physics at Stanford University.
Complete playlist for the course:
http://youtube.com/view_play_list?p=189C0DCE90CB6D81
Stanford Continuing Studies: http://continuingstudies.stanford.edu/
About Leonard Susskind: http://www.stanford.edu/dept/physics/people/faculty/susskind_leonard.html
Stanford University channel on YouTube:
http://www.youtube.com/stanford

Views: 828284
Stanford

This talk was held during the "Summer School on the Foundations of Quantum Mechanics dedicated to John Bell" in Sesto, Italy (28.07.2014 - 30.07.2014).
More information can be found on the conference website http://www.sexten-cfa.eu/it/conferenze/2014/details/46-summer-school-on-the-foundations-of-quantum-mechanics

Views: 6440
Sesto 2014

Foundations of Quantum Mechanics: Hamel Basis and Zorn's Lemma
Here we introduce the notion of a Hamel Basis and show that such a basis exists for every vectors space regardless of dimension. This proof depends on Zorn's lemma which is an implication of the Axiom of Choice.
Please consider supporting this channel via Patreon:
https://www.patreon.com/XYLYXYLYX
and discussing the material on the forums:
https://www.patreon.com/XYLYXYLYX

Views: 832
XylyXylyX

Foundations of quantum theory involves studying the mysterious and puzzling phenomena predicted by one of the two main pillars of physics (the other being relativity). This is a short(!) video in which I try to explain a particular approach to studying those mysteries, involving hidden variables (or `ontological models').
I originally entered it for a competition to explain the subject of the PhD I'm half way through in one minute... one thing I learned is that it's hard even to state the problem accurately in that time! But I enjoyed making the video, so if you'd like to see another exploring some particular aspect of foundations then leave a comment.
Enjoy!

Views: 373
Peter Lewis

1. The postulates of quantum mechanics (part 1 of 9)
This course assumes a basic prior knowledge of basic quantum mechanics or quantum chemistry and basic algebra; specifically the notions of vector spaces and subspaces and scalar products.
A revised PDF version of the presentation can be downloaded from http://hdl.handle.net/2445/122045
A full text in spanish related to most of the content of these talks can be downloaded from http://hdl.handle.net/2445/4961

Views: 133
Juan Carlos Paniagua

Introduction to the foundations of Quantum Mechanics. The phenomenon of superposition. The Measurement Problem. Non-locality
by David Albert, Columbia University, at the University of California, Santa Cruz Institute for the Philosophy of Cosmology
June 27, 2013
http://hipacc.ucsc.edu/IPC2013.html

Views: 2894
Phil Cosmogroup

Workshop on "Quantum Mechanics and Applications" (October 20 and 21/2015) organized by Department of Physics, Post Graduate Center, St Philomena College, Puttur, Karnataka, India.

Views: 51
SPC PG Physics

It is physically obvious that the theory of objects as small as atoms has to be probabilistic in nature. It is equally obvious that any such theory must engage with the physics of measurement. The standard Copenhagen interpretation of quantum mechanics is built around a picture of measurement that is a caricature: it captures essential elements of reality by exaggerating and distorting them. For a deeper understanding of phenomena one would like in a specific worked examples to dig beneath the Copenhagen interpretation, but doing so is hard. Prof. Binney will argue that just one thing about quantum mechanics is mysterious and enormously convenient: the use of amplitudes (complex numbers) to compute probabilities (non-negative real numbers). The entire formalism follows naturally from this unexplained assumption. In this view the many-worlds interpretation of QM is mindless chatter that merely distracts attention from the fundamental issue.

Views: 2948
Oxford University Scientific Society

Exactly 100 years ago, Albert Einstein laid down the foundations of quantum mechanics. After a century of curiosity, the field is revolutionised with a new understanding that information can be encoded into quantum particles. Particles – which can exist in many places at once, travel through walls and behave as a whole even when separated – enable us to build extremely powerful computers and make unconditional information security possible. No organisation, group or individual has immunity from hackers, but, by using the laws of quantum physics, we can secure our online communication, transactions and activities against all attempts to steal our personal data and most sensitive secrets, with guaranteed future proof security.
Yameng Cao is a post-doctoral fellow at Lancaster University and obtained his PhD on Quantum Computing.
This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at http://ted.com/tedx

Views: 35740
TEDx Talks

Lecture 3 of Leonard Susskind's Modern Physics course concentrating on Quantum Mechanics. Recorded January 28, 2008 at Stanford University.
This Stanford Continuing Studies course is the second of a six-quarter sequence of classes exploring the essential theoretical foundations of modern physics. The topics covered in this course focus on quantum mechanics. Leonard Susskind is the Felix Bloch Professor of Physics at Stanford University.
Complete playlist for the course:
http://youtube.com/view_play_list?p=189C0DCE90CB6D81
Stanford Continuing Studies: http://continuingstudies.stanford.edu/
About Leonard Susskind: http://www.stanford.edu/dept/physics/people/faculty/susskind_leonard.html
Stanford University channel on YouTube:
http://www.youtube.com/stanford

Views: 209546
Stanford

This video is about Foundations of Quantum Mechanics: Normed Spaces.This video is identical to a previously released video with the same name but with a corrected error at 24:56.
Please consider supporting this channel via Patreon:
https://www.patreon.com/XYLYXYLYX
and discussing the material on the forums:
https://www.patreon.com/XYLYXYLYX

Views: 877
XylyXylyX

Sir Roger Penrose - “Consciousness and the Foundations of Physics”, delivered at the Ian Ramsey Centre - Humane Philosophy Project 2014-2015 Seminar. Chaired by Ralph Weir, Alister McGrath and Mikolaj Slawkowski-Rode.
The introduction of quantum mechanics in the early 20th Century led many physicists to question the “Newtonian” type of picture of an objective deterministic physical reality that had been previously regarded as an essential background to a fully scientific picture of the world. Quantum measurement, as described in standard theory however, requires a fundamental indeterminism, and issues such as Bell non-locality cause basic difficulties with a picture of objective reality that is consistent with the principles of relativity. Accordingly, many philosophers of science have felt driven to viewpoints according to which “reality” itself takes on subjective qualities, seemingly dependent upon the experiences of conscious beings.
My own position is an essentially opposite one, and I argue that conscious experience itself arises from a particular objective feature of physical law. This, however, must go beyond our current understanding of the laws of quantum processes and their relation to macroscopic phenomena. I argue that this objective feature has to do with implications of Einstein’s general theory of relativity and, moreover, must lie beyond the scope of a fully computational universe.
SIR ROGER PENROSE OM FRS is a renowned mathematical physicist, mathematician and philosopher of science. He is the Emeritus Rouse Ball Professor of Mathematics at the Mathematical Institute of the University of Oxford, as well as an Emeritus Fellow of Wadham College. He is known for his work in mathematical physics, especially his contributions to general relativity and cosmology. He has received numerous prizes and awards, including the 1988 Wolf Prize for physics, which he shared with Stephen Hawking for their contribution to our understanding of the Universe. In 1972 he was elected a Fellow of the Royal Society of London in 1972. He was knighted for services to science in 1994 and appointed to the Order of Merit in 2000. He also holds honorary doctorate degrees from many distinguished universities including Warsaw, Leuven, York and Bath.

Views: 67645
IanRamseyCentre

Foundations of Quantum Mechanics: Topology of a vector space
This lecture explores how a norm induces a rather obvious topology on a vector space. We also dive deep into some analysis to prove a few interesting lemmas about normed vector spaces. We demonstrate the interesting result that the norm-topology is insensitive to the norm for finite dimensional vector spaces.
Please consider supporting this channel via Patreon:
https://www.patreon.com/XYLYXYLYX
and discussing the material on the forums:
https://www.patreon.com/XYLYXYLYX

Views: 872
XylyXylyX

What does quantum physics have to do with free will? Is causality linear? What is indeterminism? What is Bell's Theorem & why is it so important when it comes to discussing determinism and free will? What is non-locality? What is realism? Is Nature a super-deterministic conspiring machine?
** Please support my channel by becoming a patron: http://www.patreon.com/crackingthenutshell
** Or... how about a Paypal Donation? http://crackingthenutshell.org/donate
Starting with a popular argument against free will, you will be introduced to a few of the implicit assumptions hidden in this argument. From causal determinism & linear causality to realism and unique histories. Getting familiar with these concepts will help you understand the importance of Bell's theorem, its assumptions and philosophical implications, which will be covered in detail in the second part of the video.
The freedom of choice assumption is in fact one of the pillars of quantum theory. From the standard double-slit experiment to Bell's Theorem, and more recently the Conway-Kochen Free Will Theorem, the free choice of the experimenter is an axiom which is built into the foundations of quantum mechanics. Since experimental tests show that Bell's inequalities are violated, the philosophical implications are that we need to let go of one or more of the assumptions in Bell's Theorem: locality, realism or freedom of choice.
Full script available here: http://crackingthenutshell.org/quantum-physics-free-will-bell-theorem-determinism-causality-locality-realism
Summary:
- Introduction: What does quantum physics have to do with free will?
- A popular argument against free will. Assumptions: causal determinism, linear causality, realism, unique histories
- Changing our starting assumptions. Turning the argument upside down
- Questioning the validity of Science if the choices of the experimenter (the questions we ask Nature) are not free
- Isolated system? Or can we assume an intrinsic indeterminacy in Nature which allows for a branching of possibilities, from the present moment, into both the past and the future?
-Definition of free choice: a choice not uniquely (or exclusively) determined by past or external events. Definition consistent with indeterminism & partial self-determination. Rejecting certain libertarian definitions of free will which demand that we have exclusive (super-hero!) self-determination powers, not influenced by anything external / physical / etc
- Indeterminism as the failure of determinism. It states that both past and future may be undetermined (a branching of possibilities rather than a pre-determined linear chain of events). Indeterminism does not necessarily entail absence of causation nor complete randomness
- Free will as a fundamental axiom in Nature. True novelty and creativity. Nature displaying a certain degree of randomness, an intrinsic indeterminacy, allowing for the arising of new possibilities, of new information
- Quantum Physics & free will. Determinism and indeterminism. The experimenter's choice. Asking questions to Nature. How Nature responds depends entirely on our previous choice as to what questions we decided to ask
- Nature’s response correlated to our choice of question even when we set up an experiment in such a way that this dependence would be classically forbidden, according to the principle of local realism
- Origin of the "Free Choice" discussion in quantum mechanics. Einstein arguing against the completeness of quantum mechanics. Term introduced by Niels Bohr. Spooky action at a distance
- Bell's definition of free choice. He considered the experimenter’s choice to be completely free when that choice could only be correlated to variables in its causal future, but not its causal past
- Statement of Bell's theorem. Illustration. Philosophical implications. Realism, locality & freedom of choice
- Causality & non-locality. Spooky action at a distance or reality beyond space-time? Nicolas Gisin experiments. What is this spooky kind of interconnection? Non-separability (oneness). Space-time not fundamental. Causal order, linearity in time not fundamental
- Experimental confirmation of Bell's inequalities. Violation of local realism or freedom of choice
- The Super-deterministic Universe, Cosmic Conspiracy: Nature is conspiring to make our experiments consistent with the view that quantum theory is true, that the world is indeterministic, non-local & observer-dependent
- Anton Zeilinger's experimental tests. Violation of Bell's inequalities, violation of Leggett & Leggett-Garg's inequalities. Macro-realism (moon still there when nobody is looking?)
- What needs to go? Locality, realism, locality and realism or freedom of choice?
- Coming soon: Conway-Kochen Free Will Theorem, past history creation, John Archibald Wheeler, Participatory Universe, Universe as a self-excited circuit, alternatives to deterministic linear causality

Views: 30213
Cracking The Nutshell

Ruth Kastner, PhD, is a philosopher exploring the foundations of physics. She is on the faculty of the physics department at the State University of New York at Albany. She is also a research associate at the University of Maryland. She is author of The Transactional Interpretation of Quantum Mechanics: The Reality of Possibility and also Understanding Our Unseen World: Solving Quantum Riddles.
Here she points out that there are several interpretations of quantum mechanics that are very different from each other. She notes that there are many disagreements about the interpretation of the interpretations. She reviews the perspectives of great physicists such as Neils Bohr, Max Born, Ludwig Boltzmann, and David Bohm. She briefly describes the lesser known “transactional interpretation”. Then she focuses on the philosophical status of the crucial distinction between empirical and sub-empirical reality.
New Thinking Allowed host, Jeffrey Mishlove, PhD, is author of The Roots of Consciousness, Psi Development Systems, and The PK Man. Between 1986 and 2002 he hosted and co-produced the original Thinking Allowed public television series. He is the recipient of the only doctoral diploma in "parapsychology" ever awarded by an accredited university (University of California, Berkeley, 1980). He is a past vice-president of the Association for Humanistic Psychology; and is the recipient of the Pathfinder Award from that Association for his contributions to the field of human consciousness. He is also past-president of the non-profit Intuition Network, an organization dedicated to creating a world in which all people are encouraged to cultivate and apply their inner, intuitive abilities.
(Recorded on August 23, 2016)

Views: 15152
New Thinking Allowed with Jeffrey Mishlove

A full lecture on the Foundations of Quantum Mechanics by Prof. Joseph Emerson at the Institute for Quantum Computing, as part of the annual Undergraduate School on Experimental Quantum Information Processing (USEQIP).
For more:
iqc.uwaterloo.ca
www.facebook.com/QuantumIQC
Twitter: @QuantumIQC

Views: 3445
Institute for Quantum Computing

Professor Leonard Susskind describes how gravity and quantum information theory have come together to create a new way of thinking about physical systems. From fluid dynamics to strange metals, from black holes to the foundations of quantum mechanics, almost all areas of physics are being touched by the new paradigm.

Views: 193582
Stanford Institute for Theoretical Physics

This is a preview of the Udemy course: "Quantum Physics: an overview of a weird world" - A primer on the conceptual foundations of Quantum Physics - Goto: https://www.udemy.com/quantum-physics/ and get 50% off with coupon: YTCOUPON

Views: 28
Quantum Physics

During the conference "Quantum Theory without Observers III" (ZiF, Bielefeld, 22.04.-26.04.2013) several interviews with participants were recorded. The following questions were asked:
1. What first stimulated your interest in the foundations of quantum mechanics?
2. Which theory comes closest to your idea of a quantum theory?
3. Is the role of randomness special in quantum physics?
4. What are the implications of Bell's inequalities for our view of the world?
5. What are the most pressing problems in the foundations of quantum mechanics today?
For more information have a look at the conference website http://www.mathematik.uni-muenchen.de/~bohmmech/bielefeld

Views: 2514
QTWOIII

Rob Spekkens lecturing at the QuICC Summer School on Quantum Information, Computing and Control (Aberystwyth, Wales, 27 August - 1 September 2012).
Lecture slides and other lectures available at http://quicc.net/index.php?page=lectures2012
Visit http://quicc.net for information on the 2012 edition and for updates on the 2013 edition to be held in London on 26 - 30 August.
Talk abstract:
The field of quantum foundations seeks to answer questions such as: What do the elements of the mathematical formalism of quantum theory represent? From what physical principles can the formalism be derived? What are the precise ways in which a quantum world differs from a classical world and other possible worlds? These lectures will cover some important foundational topics which touch upon these questions, in particular, operational and realist interpretations of the formalism, the quantum measurement problem, nonlocality and contextuality.

Views: 1751
QuICCsummerschool

This talk was held during the "Summer School on the Foundations of Quantum Mechanics dedicated to John Bell" in Sesto, Italy (28.07.2014 - 30.07.2014).
More information can be found on the conference website http://www.sexten-cfa.eu/it/conferenze/2014/details/46-summer-school-on-the-foundations-of-quantum-mechanics

Views: 6035
Sesto 2014

SPH4U-12.1 Foundations of Quantum Theory
Maple High School

Views: 182
Athar Mian

During the conference "Quantum Theory without Observers III" (ZiF, Bielefeld, 22.04.-26.04.2013) several interviews with participants were recorded. The following questions were asked:
1. What first stimulated your interest in the foundations of quantum mechanics?
2. Which theory comes closest to your idea of a quantum theory?
3. Is the role of randomness special in quantum physics?
4. What are the implications of Bell's inequalities for our view of the world?
5. What are the most pressing problems in the foundations of quantum mechanics today?
For more information have a look at the conference website http://www.mathematik.uni-muenchen.de/~bohmmech/bielefeld

Views: 14417
QTWOIII

This is a preview of the Udemy course: "Quantum Physics: an overview of a weird world" - A primer on the conceptual foundations of Quantum Physics - Goto: https://www.udemy.com/quantum-physics/ and get 50% off with coupon: YTCOUPON

Views: 11
Quantum Physics

The Big Picture: On the Origins of Life, Meaning, and the Universe Itself.
Already internationally acclaimed for his notions in modern physics, Sean Carroll is one of the greatest humanist thinkers of his generation as he brings extraordinary intellect to our deepest personal questions. Where are we? Who are we? Are our emotions, beliefs, hopes and dreams ultimately meaningless in the void? Does human purpose and meaning fit into a scientific worldview? Carroll's presentation of the scientific revolution from Darwin and Einstein to the origins of life, consciousness, and the universe is unique. He shows how an avalanche of discoveries in the past few hundred years has changed our world and what really matters to us.
“Weaving the threads of astronomy, physics, chemistry, biology, and philosophy into a seamless narrative tapestry, Sean Carroll enthralls us with what we’ve figured out in the universe and humbles us with what we don’t yet understand. Yet in the end, it’s the meaning of it all that feeds your soul of curiosity.”
—Neil deGrasse Tyson, host of Cosmos: A SpaceTime Odyssey
Carroll is a theoretical physicist at the CalTech and received his PhD from Harvard. Recently, he has worked on the foundations of quantum mechanics, the arrow of time, and the emergence of complexity. He has earned prizes and fellowships by the NSA, NASA, Sloan Foundation, Packard Foundation, American Physical Society, American Institute of Physics, Royal Society of London, and the Freedom from Religion Foundation. Carroll has appeared on The Colbert Report, PBS’s NOVA, and Through the Wormhole with Morgan Freeman, and serves as a science consultant for film and TV. He has been interviewed by NPR, Scientific American, Wired, and The NYT, and has given a TED talk on the multiverse that has more than 1M views.
This Talk at Google talk was hosted by Boris Debic.
eBook
https://play.google.com/store/books/details/Sean_Carroll_The_Big_Picture?id=x21qCgAAQBAJ

Views: 279039
Talks at Google

This talk was held during the "Summer School on the Foundations of Quantum Mechanics dedicated to John Bell" in Sesto, Italy (28.07.2014 - 30.07.2014).
More information can be found on the conference website http://www.sexten-cfa.eu/it/conferenze/2014/details/46-summer-school-on-the-foundations-of-quantum-mechanics

Views: 3536
Sesto 2014

1. The postulates of quantum mechanics (part 2 of 9)
This course assumes a basic prior knowledge of basic quantum mechanics or quantum chemistry and basic algebra; specifically the notions of vector spaces and subspaces and scalar products.
A revised PDF version of the presentation can be downloaded from http://hdl.handle.net/2445/122045
A full text in spanish related to most of the content of these talks can be downloaded from http://hdl.handle.net/2445/4961

Views: 23
Juan Carlos Paniagua

1. The postulates of quantum mechanics (part 3 of 9)
This course assumes a basic prior knowledge of basic quantum mechanics or quantum chemistry and basic algebra; specifically the notions of vector spaces and subspaces and scalar products.
A revised PDF version of the presentation can be downloaded from http://hdl.handle.net/2445/122045
A full text in spanish related to most of the content of these talks can be downloaded from http://hdl.handle.net/2445/4961

Views: 20
Juan Carlos Paniagua

During the conference "Quantum Theory without Observers III" (ZiF, Bielefeld, 22.04.-26.04.2013) several interviews with participants were recorded. The following questions were asked:
1. What first stimulated your interest in the foundations of quantum mechanics?
2. Which theory comes closest to your idea of a quantum theory?
3. Is the role of randomness special in quantum physics?
4. What are the implications of Bell's inequalities for our view of the world?
5. What are the most pressing problems in the foundations of quantum mechanics today?
For more information have a look at the conference website http://www.mathematik.uni-muenchen.de/~bohmmech/bielefeld

Views: 7004
QTWOIII

Lecture 9 of Leonard Susskind's Modern Physics course concentrating on Quantum Mechanics. Recorded March 10, 2008 at Stanford University.
This Stanford Continuing Studies course is the second of a six-quarter sequence of classes exploring the essential theoretical foundations of modern physics. The topics covered in this course focus on quantum mechanics. Leonard Susskind is the Felix Bloch Professor of Physics at Stanford University.
Complete playlist for the course:
http://youtube.com/view_play_list?p=189C0DCE90CB6D81
Stanford Continuing Studies: http://continuingstudies.stanford.edu/
About Leonard Susskind: http://www.stanford.edu/dept/physics/people/faculty/susskind_leonard.html
Stanford University channel on YouTube:
http://www.youtube.com/stanford

Views: 99033
Stanford

The Cosmological Interpretation of Quantum Mechanics: Unifying the Inflationary & Quantum Multiverses
Lecture from the mini-series "Cosmology & Quantum Foundations" from the "Philosophy of Cosmology" project. A University of Oxford and Cambridge Collaboration.

Views: 39757
PhilosophyCosmology

Quantum mechanics is a foundation of physics, chemistry and materials science. Still, there is an ongoing debate about the emergence of the classical, macroscopic world from the well-understood microscopic world of quantum mechanics. We contribute to this discourse by demonstrating quantum superposition of massive particles at the distance (0.5 m) and time scales (2 s) of everyday life, thereby advancing the state-of-the-art of atom de Broglie wave interferometry by nearly two orders of magnitude [1]. In addition to testing a central tenet of quantum mechanics, we pave the way for new precision tests of gravity, including the possible observation of gravitational waves and tests of the equivalence principle. In related experimental work, we demonstrate that entangled clusters of approximately 1000 atoms can be used to achieve 10-fold improvement in the sensitivity of quantum sensors based on atomic transitions; the levels of performance achieved could not have been realized with any competing (non-entangled) method [2].
[1] Kovachy, et al., Nature 528, 530 (2015).
[2] Hosten, et al., Nature 529, 505 (2016).

Views: 14357
SETI Institute

Building upon long tradition of fundamental research in physics in Vienna the IQOQI conduct theoretical and experimental research on the foundations of quantum physics and the physics of quantum information and develop new quantum technologies.
On the experimental side, IQOQI focuses on the coherent control of individual photons and atoms to construct quantum-mechanical devices for quantum information. The research conducted at IQOQI in quantum foundations may open entirely new fields of research that we cannot currently predict.
http://www.iqoqi-vienna.at

Views: 1681
WebsEdgeEducation

Workshop in Honour of Reinhold A. Bertlmann Mitschnitt einer Veranstaltung der Fakultät für Physik der Universität Wien am Samstag, dem 26. Juni 2010 im Seminar-Hotel Schneeberghof in Puchberg am Schneeberg Teil 5: Reinhold Bertlmann: Magic Moments of a Physicist Reinhold Bertlmann berichtet über Stationen und Begegnungen, die sein Leben als Physiker geprägt haben. Mit einem Kurzfilm von Elisa Asenbaum: "It's ONE" ((c) G.A.S - station 2010)

Views: 56
ZBPHVIDEO

Foundations of Quantum Mechanics (PSI 17/18, Review, PHYS 639) - Lucien Hardy (Perimeter Institute)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbOO1Cro-njvuH-s23VWze31
Lecture 1 EV bomb problem, Course outline, Interferometer basics, Interferometer examples (single particle, EV bomb solution, two-particle), No-cloning theorem
Lecture 2 Teleportation, Superdense coding, Quantum Zeno effect, Looking ahead to Week 3 (classical vs. quantum state space & connection to Q. Zeno effect) - link to original teleportation paper
Lecture 3 Textbook QM (internal inconsistencies), The measurement problem
Lecture 4 Denying realism, Operational itnerpretation, Simpson's paradox, The ontogological models framework (Ref: 'Why Physics Needs Quantum Foundations' by Lucien Hardy and Rob Spekkens)
Lecture 5 Dynamic collapse theories, Everett Many Worlds Interpretation
Lecture 6 The shape of quantum state space, Introduction to Generalized Probability Theories (GPTs)
Lecture 7 GPTs continuted (states & effects, causality), 5 postulates for Quantum Theories (QT)
Lecture 8 The problem of Quantum Gravity, Operator tensor formulation of QT
Lecture 9 Operator tensor formulation of QT
Lecture 10 The de Broglie-Bohm interpretation
Lecture 11 Some psi-epistemic ontological models
Lecture 12 Bell's theorem
Lecture 13 Final comments on Bell's theorem, Contextuality
Lecture 14 Generalized contextuality, Noncontextuality inequalities
Lecture 15 Causal inequalities
《Perimeter Scholars International (PSI) 2017-2018》
Full Programme:
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbNtOZc-duaUXBw7j_UvnvMg
Front End Courses:
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbOHVKlxe88CFCWMjJ8XPOxJ
Core Topics (1)-(6):
1. Relativity (PHYS 604) - Neil Turok (Perimeter)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbPzu2D5e0sy0CPvDokjHICQ
2. Quantum Theory (PHYS 605) - Joseph Emerson (Waterloo)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbNtyWINH1W7ZmBv7y2BsD-M
3. Quantum Field Theory I (PHYS 601) - Dan Wohns & Tibra Ali (Perimeter)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbOn3a1IB3uPG3vVHEKbemqB
4. Statistical Mechanics (PHYS 602) - David Kubiznak & Lauren Hayward Sierens (Perimeter)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbMME6kmQNLJrnpxfn4ff4YU
5. Quantum Field Theory II (PHYS 603) - Francois David (CEA, Saclay)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbOLdq8CAmeaLcMJIctUB9lz
6. Condensed Matter I (PHYS 611) - Rakesh Tiwari (Basel)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbOiNJsx2se2-lm4cBBG74oq
Reviews (7)-(15):
7. Standard Model (PHYS 622) - Sean Tulin (York)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbPFvjsHPK7JW2op6rOkAAGd
8. Gravitational Physics (PHYS 636) - Ruth Gregory (Durham)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbMH82adqat52KFVLNe_K4dw
9. Condensed Matter II (PHYS 637) - Alioscia Hamma (Perimeter)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbO6hLC4NHszwUburFTzaQO-
10. Quantum Field Theory III (PHYS 777) - Jaume Gomis, Gang Xu & Dan Wohns (Perimeter)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbOZlLFXkZxCWk2mKXIue8QF
11. Foundations of Quantum Mechanics (PHYS 639) - Lucien Hardy & Robert Spekkens (Perimeter)
12. Cosmology (PHYS 621) - David Kubiznak (Perimeter)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbM9Im5wHNd1SS_fJvNW7xfV
13. Beyond the Standard Model (PHYS 777) - Cliff Burgess (McMaster)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbMHLQMWW4nZ0bkKbXcjDoPF
14. String Theory (PHYS 623) - Davide Gaiotto (Perimeter)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbPsOcfOHio6EP8IhPNjdpS9
15. Quantum Information (PHYS 635) - Daniel Gottesman (Perimeter)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbMH2Fihc2Lrua9IgrWhQSee
Explorations (16)-(21):
16. Relativistic Quantum Information (PHYS 641) - Eduardo Martin-Martinez (Waterloo)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbMLiVqu85axDb6Ttolu13oI
17. Explorations in Quantum Gravity (PHYS 650) - Maite Dupuis (Waterloo)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbNv3kB68TC21i3VOBfvLL0W
18. Quantum Integrable Models (PHYS 777) - Alex Weekes & Kevin Costello (Perimeter)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbPyh0E4g9C-RPZtrqtCINYt
19. Machine Learning for Many Body Physics (PHYS 777) - Lauren Hayward Sierens & Juan Carrasquilla (Perimeter), Roger Melko & Giacomo Torlai (Waterloo)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbO99GSr1ns6NFTtb7ynjl18
20. Explorations in Cosmology (PHYS 649) - Kendrick Smith (Waterloo)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbMnwJvT7_4RdwRQeOry7-59
21. Scattering Amplitudes in QFT & String Theory (PHYS 777) - Freddy Cachazo (Perimeter), Eduardo Casali (Oxford), Piotr Tourkine (CERN), Thales Azevedo (Uppsala), Yvonne Geyer & Nima Arkani-Hamed (IAS), Oliver Schlotterer (MPI)
▶ https://www.youtube.com/playlist?list=PLFMKfDJ8QzbPtYBvd06Xhbk8dXqUw_WZV

Views: 42
Centre for Mathematical Sciences

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CONTENTS OF THIS VIDEO:
Trigonometric functions
Sine and cosine curves
Trigonometric infinite series
Exponential function and series
Complex numbers and their significance
Relation between trigonometric and exponential functions
Significance of trigonometric and exponential functions in quantum mechanics
Physical significance of the differential notation
Important standard differentials
Important standard integrals
Solution for second order differential equation and its significance in quantum mechanics
CONTENTS OF THE NEXT VIDEO:
Operator algebra
Eigen functions and eigen values
Eigen value equation
Normalized and orthogonal functions

Views: 1911
Chitra Thomas

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