Nonlocality In Quantum Physics

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Nonlocality in Quantum Physics

Andrey Anatoljevich Grib,Waldyr Alves Rodrigues Jr.
Nonlocality in Quantum Physics Book PDF

Author : Andrey Anatoljevich Grib,Waldyr Alves Rodrigues Jr.
Publisher : Springer Science & Business Media
Page : 223 pages
File Size : 49,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461546870

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Nonlocality in Quantum Physics by Andrey Anatoljevich Grib,Waldyr Alves Rodrigues Jr. Pdf

The nonlocality phenomena exhibited by entangled quantum systems are certainly one of the most extraordinary aspects of quantum theory. This book discusses this phe nomenon according to several points of view, i.e., according to different interpretations of the mathematics of the quantum formalism. The several interpretations of the Copenhagen interpretation, the many worlds, the de Broglie-Bohm, quantum logics, the decohering by the environment approach and the histories approach interpretations are scrutinized and criticized in detail. Recent results on cryptography, quantum bit commitment, quantum erasers and teleportation are also presented and discussed. In preparing the book we benefited from discussions with many people, but we would like, in particular, to express our gratitude to Professor B. d'Espagnat for his useful comments and suggestions. We are grateful also to Ms. L. Gentry EI-Dash for the English revision, to Dr. 1. E. Maiorino for the production of the figures and a careful reading of the manuscript, and for the statI of Plenum for advice and for having produced a nice book. Finally, the authors thank FAPESP (contract no. I 99612657-0) for a grant making this book possible. A. A. ORIB AND W. A. RODRIGUES, JR.

Quantum Nonlocality and Reality

Mary Bell,Shan Gao
Quantum Nonlocality and Reality Book PDF

Author : Mary Bell,Shan Gao
Publisher : Cambridge University Press
Page : 459 pages
File Size : 52,8 Mb
Release : 2016-09-19
Category : Science
ISBN : 9781107104341

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Quantum Nonlocality and Reality by Mary Bell,Shan Gao Pdf

A collaboration between distinguished physicists and philosophers of physics, this important anthology surveys the deep implications of Bell's nonlocality theorem.

Quantum Non-Locality and Relativity

Tim Maudlin
Quantum Non Locality and Relativity Book PDF

Author : Tim Maudlin
Publisher : John Wiley & Sons
Page : 315 pages
File Size : 42,9 Mb
Release : 2011-05-06
Category : Science
ISBN : 9781444331264

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Quantum Non-Locality and Relativity by Tim Maudlin Pdf

The third edition of Quantum Non-Locality and Relativity has been carefully updated to reflect significant developments, including a new chapter covering important recent work in the foundations of physics. A new edition of the premier philosophical study of Bell’s Theorem and its implication for the relativistic account of space and time Discusses Roderich Tumiulka’s explicit, relativistic theory that can reproduce the quantum mechanical violation of Bell’s inequality. Discusses the "Free Will Theorem" of John Conway and Simon Kochen Introduces philosophers to the relevant physics and demonstrates how philosophical analysis can help inform physics

Effects of Non-locality in Gravity and Quantum Theory

Jens Boos
Effects of Non locality in Gravity and Quantum Theory Book PDF

Author : Jens Boos
Publisher : Springer
Page : 0 pages
File Size : 53,7 Mb
Release : 2022-10-29
Category : Science
ISBN : 303082912X

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Effects of Non-locality in Gravity and Quantum Theory by Jens Boos Pdf

This thesis is devoted to the systematic study of non-local theories that respect Lorentz invariance and are devoid of new, unphysical degrees of freedom. Such theories are attractive for phenomenological applications since they are mostly unconstrained by current experiments. Non-locality has played an increasingly important role in the physics of the last decades, appearing in effective actions in quantum field theory, and arising naturally in string theory and non-commutative geometry. It may even be a necessary ingredient for quantum theories of gravity. It is a feature of quantum entanglement, and may even solve the long-standing black hole information loss problem. “Non-locality” is a broad concept with many promising and fruitful applications in theoretical and mathematical physics. After a historical and pedagogical introduction into the concept of non-locality the author develops the notion of non-local Green functions to study various non-local weak-field problems in quantum mechanics, quantum field theory, gravity, and quantum field theory in curved spacetime. This thesis fills a gap in the literature by providing a self-contained exploration of weak-field effects in non-local theories, thereby establishing a “non-local intuition” which may serve as a stepping stone for studies of the full, non-linear problem of non-locality.

Quantum Chance

Nicolas Gisin
Quantum Chance Book PDF

Author : Nicolas Gisin
Publisher : Springer
Page : 122 pages
File Size : 46,8 Mb
Release : 2014-07-17
Category : Science
ISBN : 9783319054735

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Quantum Chance by Nicolas Gisin Pdf

Quantum physics, which offers an explanation of the world on the smallest scale, has fundamental implications that pose a serious challenge to ordinary logic. Particularly counterintuitive is the notion of entanglement, which has been explored for the past 30 years and posits an ubiquitous randomness capable of manifesting itself simultaneously in more than one place. This amazing 'non-locality' is more than just an abstract curiosity or paradox: it has entirely down-to-earth applications in cryptography, serving for example to protect financial information; it also has enabled the demonstration of 'quantum teleportation', whose infinite possibilities even science-fiction writers can scarcely imagine. This delightful and concise exposition does not avoid the deep logical difficulties of quantum physics, but gives the reader the insights needed to appreciate them. From 'Bell's Theorem' to experiments in quantum entanglement, the reader will gain a solid understanding of one of the most fascinating areas of contemporary physics.

On the Device-Independent Approach to Quantum Physics

Jean-Daniel Bancal
On the Device Independent Approach to Quantum Physics Book PDF

Author : Jean-Daniel Bancal
Publisher : Springer Science & Business Media
Page : 124 pages
File Size : 49,9 Mb
Release : 2013-11-22
Category : Science
ISBN : 9783319011837

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On the Device-Independent Approach to Quantum Physics by Jean-Daniel Bancal Pdf

Quantum physics started in the 1920's with wave mechanics and the wave-particle duality. However, the last 20 years have seen a second quantum revolution, centered around non-locality and quantum correlations between measurement outcomes. The associated key property, entanglement, is recognized today as the signature of quantumness. This second revolution opened the possibility of studying quantum correlations without any assumption on the internal functioning of the measurement apparata, the so-called Device-Independent Approach to Quantum Physics. This thesis explores this new approach using the powerful geometrical tool of polytopes. Emphasis is placed on the study of non-locality in the case of three or more parties, where it is shown that a whole new variety of phenomena appear compared to the bipartite case. Genuine multiparty entanglement is also studied for the first time within the device-independent framework. Finally, these tools are used to answer a long-standing open question: could quantum non-locality be explained by influences that propagate from one party to the others faster than light, but that remain hidden so that one cannot use them to communicate faster than light? This would provide a way around Einstein's notion of action at a distance that would be compatible with relativity. However, the answer is shown to be negative, as such influences could not remain hidden.

Quantum Nonlocality

Lev Vaidman
Quantum Nonlocality Book PDF

Author : Lev Vaidman
Publisher : MDPI
Page : 238 pages
File Size : 49,6 Mb
Release : 2019-06-12
Category : Science
ISBN : 9783038979487

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Quantum Nonlocality by Lev Vaidman Pdf

This book presents the current views of leading physicists on the bizarre property of quantum theory: nonlocality. Einstein viewed this theory as “spooky action at a distance” which, together with randomness, resulted in him being unable to accept quantum theory. The contributions in the book describe, in detail, the bizarre aspects of nonlocality, such as Einstein–Podolsky–Rosen steering and quantum teleportation—a phenomenon which cannot be explained in the framework of classical physics, due its foundations in quantum entanglement. The contributions describe the role of nonlocality in the rapidly developing field of quantum information. Nonlocal quantum effects in various systems, from solid-state quantum devices to organic molecules in proteins, are discussed. The most surprising papers in this book challenge the concept of the nonlocality of Nature, and look for possible modifications, extensions, and new formulations—from retrocausality to novel types of multiple-world theories. These attempts have not yet been fully successful, but they provide hope for modifying quantum theory according to Einstein’s vision.

Nonlocal Quantum Field Theory and Stochastic Quantum Mechanics

K.H. Namsrai
Nonlocal Quantum Field Theory and Stochastic Quantum Mechanics Book PDF

Author : K.H. Namsrai
Publisher : Springer Science & Business Media
Page : 440 pages
File Size : 46,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400945180

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Nonlocal Quantum Field Theory and Stochastic Quantum Mechanics by K.H. Namsrai Pdf

over this stochastic space-time leads to the non local fields considered by G. V. Efimov. In other words, stochasticity of space-time (after being averaged on a large scale) as a self-memory makes the theory nonlocal. This allows one to consider in a unified way the effect of stochasticity (or nonlocality) in all physical processes. Moreover, the universal character of this hypothesis of space-time at small distances enables us to re-interpret the dynamics of stochastic particles and to study some important problems of the theory of stochastic processes [such as the relativistic description of diffusion, Feynman type processes, and the problem of the origin of self-turbulence in the motion of free particles within nonlinear (stochastic) mechanics]. In this direction our approach (Part II) may be useful in recent developments of the stochastic interpretation of quantum mechanics and fields due to E. Nelson, D. Kershaw, I. Fenyes, F. Guerra, de la Pena-Auerbach, J. -P. Vigier, M. Davidson, and others. In particular, as shown by N. Cufaro Petroni and J. -P. Vigier, within the discussed approach, a causal action-at-distance interpretation of a series of experiments by A. Aspect and his co-workers indicating a possible non locality property of quantum mechanics, may also be obtained. Aspect's results have recently inspired a great interest in different nonlocal theories and models devoted to an understanding of the implications of this nonlocality. This book consists of two parts.

Bell Nonlocality

Valerio Scarani
Bell Nonlocality Book PDF

Author : Valerio Scarani
Publisher : Oxford Graduate Texts
Page : 239 pages
File Size : 44,5 Mb
Release : 2019
Category : Bell's theorem
ISBN : 9780198788416

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Bell Nonlocality by Valerio Scarani Pdf

The development of quantum technologies has seen a tremendous upsurge in recent years, and the theory of Bell nonlocality has been key in making these technologies possible. Bell nonlocality is one of the most striking discoveries triggered by quantum theory. It states that in some situations, measurements of physical systems do not reveal pre-existing properties; rather, the property is created by the measurement itself. In 1964, John Bell demonstrated that the predictions of quantum theory are incompatible with the assumption that outcomes are predetermined. This phenomenon has been observed beyond any doubt in the last decades. It is an observation that is here to stay, even if quantum theory were to be replaced in the future. Besides having fundamental implications, nonlocality is so specific that it can be used to develop and certify reliable quantum devices. This book is a logical, rather than historical, presentation of nonlocality and its applications. Part 1 opens with a survey of the meaning of Bell nonlocality and its interpretations, then delves into the mathematical formalisation of this phenomenon, and finally into its manifestations in quantum theory. Part 2 is devoted to the possibility of using the evidence of nonlocality for certification of devices for quantum technologies. Part 3 explores some of the extensions and consequences of nonlocality for the foundations of physics.

Nonlocality in Quantum Physics

Andrey Grib,Waldyr Alves Rodrigues Jr.
Nonlocality in Quantum Physics Book PDF

Author : Andrey Grib,Waldyr Alves Rodrigues Jr.
Publisher : Springer
Page : 225 pages
File Size : 50,7 Mb
Release : 2013-04-26
Category : Science
ISBN : 1461546885

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Nonlocality in Quantum Physics by Andrey Grib,Waldyr Alves Rodrigues Jr. Pdf

The nonlocality phenomena exhibited by entangled quantum systems are certainly one of the most extraordinary aspects of quantum theory. This book discusses this phe nomenon according to several points of view, i.e., according to different interpretations of the mathematics of the quantum formalism. The several interpretations of the Copenhagen interpretation, the many worlds, the de Broglie-Bohm, quantum logics, the decohering by the environment approach and the histories approach interpretations are scrutinized and criticized in detail. Recent results on cryptography, quantum bit commitment, quantum erasers and teleportation are also presented and discussed. In preparing the book we benefited from discussions with many people, but we would like, in particular, to express our gratitude to Professor B. d'Espagnat for his useful comments and suggestions. We are grateful also to Ms. L. Gentry EI-Dash for the English revision, to Dr. 1. E. Maiorino for the production of the figures and a careful reading of the manuscript, and for the statI of Plenum for advice and for having produced a nice book. Finally, the authors thank FAPESP (contract no. I 99612657-0) for a grant making this book possible. A. A. ORIB AND W. A. RODRIGUES, JR.

Spooky Action at a Distance

George Musser
Spooky Action at a Distance Book PDF

Author : George Musser
Publisher : Scientific American / Farrar, Straus and Giroux
Page : 304 pages
File Size : 54,8 Mb
Release : 2015-11-03
Category : Science
ISBN : 9780374713553

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Spooky Action at a Distance by George Musser Pdf

Long-listed for the 2016 PEN/E. O. Wilson Literary Science Writing Award “An important book that provides insight into key new developments in our understanding of the nature of space, time and the universe. It will repay careful study.” —John Gribbin, The Wall Street Journal “An endlessly surprising foray into the current mother of physics' many knotty mysteries, the solving of which may unveil the weirdness of quantum particles, black holes, and the essential unity of nature.” —Kirkus Reviews (starred review) What is space? It isn't a question that most of us normally ask. Space is the venue of physics; it's where things exist, where they move and take shape. Yet over the past few decades, physicists have discovered a phenomenon that operates outside the confines of space and time: nonlocality-the ability of two particles to act in harmony no matter how far apart they may be. It appears to be almost magical. Einstein grappled with this oddity and couldn't come to terms with it, describing it as "spooky action at a distance." More recently, the mystery has deepened as other forms of nonlocality have been uncovered. This strange occurrence, which has direct connections to black holes, particle collisions, and even the workings of gravity, holds the potential to undermine our most basic understandings of physical reality. If space isn't what we thought it was, then what is it? In Spooky Action at a Distance, George Musser sets out to answer that question, offering a provocative exploration of nonlocality and a celebration of the scientists who are trying to explain it. Musser guides us on an epic journey into the lives of experimental physicists observing particles acting in tandem, astronomers finding galaxies that look statistically identical, and cosmologists hoping to unravel the paradoxes surrounding the big bang. He traces the often contentious debates over nonlocality through major discoveries and disruptions of the twentieth century and shows how scientists faced with the same undisputed experimental evidence develop wildly different explanations for that evidence. Their conclusions challenge our understanding of not only space and time but also the origins of the universe-and they suggest a new grand unified theory of physics. Delightfully readable, Spooky Action at a Distance is a mind-bending voyage to the frontiers of modern physics that will change the way we think about reality.

The Quantum Handshake

John G. Cramer
The Quantum Handshake Book PDF

Author : John G. Cramer
Publisher : Springer
Page : 218 pages
File Size : 48,7 Mb
Release : 2015-12-23
Category : Science
ISBN : 9783319246420

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The Quantum Handshake by John G. Cramer Pdf

This book shines bright light into the dim recesses of quantum theory, where the mysteries of entanglement, nonlocality, and wave collapse have motivated some to conjure up multiple universes, and others to adopt a "shut up and calculate" mentality. After an extensive and accessible introduction to quantum mechanics and its history, the author turns attention to his transactional model. Using a quantum handshake between normal and time-reversed waves, this model provides a clear visual picture explaining the baffling experimental results that flow daily from the quantum physics laboratories of the world. To demonstrate its powerful simplicity, the transactional model is applied to a collection of counter-intuitive experiments and conceptual problems.

Quantum Non-Locality and Relativity

Tim Maudlin
Quantum Non Locality and Relativity Book PDF

Author : Tim Maudlin
Publisher : John Wiley & Sons
Page : 297 pages
File Size : 49,8 Mb
Release : 2008-04-15
Category : Science
ISBN : 9780470752159

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Quantum Non-Locality and Relativity by Tim Maudlin Pdf

Modern physics was born from two great revolutions: relativity and the quantum theory. Relativity imposed a locality constraint on physical theories: since nothing can go faster than light, very distant events cannot influence one another. Only in the last few decades has it become clear that the quantum theory violates this constraint. The work of J.S. Bell has demonstrated that no local theory can return the predictions of quantum theory. Thus it would seem that the central pillars of modern physics are contradictory.

Conceptual Foundations of Quantum Physics

Dipankar Home
Conceptual Foundations of Quantum Physics Book PDF

Author : Dipankar Home
Publisher : Springer Science & Business Media
Page : 399 pages
File Size : 43,6 Mb
Release : 2013-06-29
Category : Science
ISBN : 9781475798081

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Conceptual Foundations of Quantum Physics by Dipankar Home Pdf

It may tum out that, like certain other phenomena studied by sociologists, bouts of interest in the foundations of quantum mechanics tend to come in 60-year cycles. It is hardly surprising that in the first decade or so of the subject the conceptual puzzles generated by this strange new way of looking at the world should have generated profound interest, not just among professional physicists themselves but also among philosophers and informed laymen; but this intense interest was followed by a fallow period in the forties and fifties when the physics establishment by and large took the view that the only puzzles left were the product either of incompetent application of the formalism or of bad philosophy, and only a few brave individualists like the late David Bohm dared to suggest that maybe there really was something there after all to worry about. As Bell and Nauenberg, surveying the scene in 1966, put it: "The typical physicist feels that [these questions 1 have long ago been answered, and that he will fully understand how if ever he can spare twenty minutes to think about it. " But gradually, through the sixties and seventies, curiosity did revive, and the last ten years or so have seen a level of interest in foundational questions, and an involvement in them by some of the leading figures of contemporary physics, which is probably unparalleled since the earliest days.

Classical and Quantum Nonlocality

J. N. Goldberg
Classical and Quantum Nonlocality Book PDF

Author : J. N. Goldberg
Publisher : World Scientific
Page : 258 pages
File Size : 55,5 Mb
Release : 2000
Category : Science
ISBN : 9789812792938

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Classical and Quantum Nonlocality by J. N. Goldberg Pdf

This book provides an up-to-date understanding of the progress and current problems of the interplay of nonlocality in the classical theories of gravitation and quantum theory. These problems lie on the border between general relativity and quantum physics, including quantum gravity.