Rethinking Causality In Quantum Mechanics
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Rethinking Causality In Quantum Mechanics
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Author : Christina Giarmatzi
language : en
Publisher: Springer Nature
Release Date : 2019-10-21
Rethinking Causality In Quantum Mechanics written by Christina Giarmatzi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-21 with Science categories.
Causality is central to understanding the mechanisms of nature: some event "A" is the cause of another event “B”. Surprisingly, causality does not follow this simple rule in quantum physics: due to to quantum superposition we might be led to believe that "A causes B” and that "B causes A”. This idea is not only important to the foundations of physics but also leads to practical advantages: a quantum circuit with such indefinite causality performs computationally better than one with definite causality. This thesis provides one of the first comprehensive introductions to quantum causality, and presents a number of advances. It provides an extension and generalization of a framework that enables us to study causality within quantum mechanics, thereby setting the stage for the rest of the work. This comprises: mathematical tools to define causality in terms of probabilities; computational tools to prove indefinite causality in an experiment; means to experimentally test particular causal structures; and finally an algorithm that detects the exact causal structure in an quantum experiment.
Quantum Causality
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Author : Peter J. Riggs
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-06-05
Quantum Causality written by Peter J. Riggs and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-06-05 with Science categories.
There is no sharp dividing line between the foundations of physics and philosophy of physics. This is especially true for quantum mechanics. The debate on the interpretation of quantum mechanics has raged in both the scientific and philosophical communities since the 1920s and continues to this day. (We shall understand the unqualified term ‘quantum mechanics’ to mean the mathematical formalism, i. e. laws and rules by which empirical predictions and theoretical advances are made. ) There is a popular rendering of quantum mechanics which has been publicly endorsed by some well known physicists which says that quantum mechanics is not only 1 more weird than we imagine but is weirder than we can imagine. Although it is readily granted that quantum mechanics has produced some strange and counter-intuitive results, the case will be presented in this book that quantum mechanics is not as weird as we might have been led to believe! The prevailing theory of quantum mechanics is called Orthodox Quantum Theory (also known as the Copenhagen Interpretation). Orthodox Quantum Theory endows a special status on measurement processes by requiring an intervention of an observer or an observer’s proxy (e. g. a measuring apparatus). The placement of the observer (or proxy) is somewhat arbitrary which introduces a degree of subjectivity. Orthodox Quantum Theory only predicts probabilities for measured values of physical quantities. It is essentially an instrumental theory, i. e.
Time Causality And The Quantum Theory
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Author : Henry Mehlberg
language : en
Publisher: Springer Science & Business Media
Release Date : 1980
Time Causality And The Quantum Theory written by Henry Mehlberg and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Causality (Physics) categories.
Causality And Chance In Modern Physics
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Author : David Bohm
language : en
Publisher:
Release Date : 2016-09
Causality And Chance In Modern Physics written by David Bohm and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09 with Causality (Physics) categories.
In this classic, David Bohm was the first to offer us his causal interpretation of the quantum theory. Causality and Chance in Modern Physics continues to make possible further insight into the meaning of the quantum theory and to suggest ways of extending the theory into new directions.
Causality And Time From Relativity To Quantum Physics
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Author : Marino Dobrowolny
language : en
Publisher: Youcanprint
Release Date : 2017-02-09
Causality And Time From Relativity To Quantum Physics written by Marino Dobrowolny and has been published by Youcanprint this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-09 with Science categories.
This book provides a description of the evolution of the concepts of causality and time through modern physics considering first relativity theories and them quantum mechanics. Relativity, at least in the form given by Einstein, denies reality of past, present and future and does not indicate a time direction. On the other hand a time direction is indicated by all the phenomena we observe including our own existence. Quantum mechanics seems to indicate a different story. It is argued that, because of its non deterministic character, it is capable to indicate an objective time direction. This occurs through the phenomena of wave function collapse and entanglement which are discussed at length.
Quantum Theory And Local Causality
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Author : Gábor Hofer-Szabó
language : en
Publisher: Springer
Release Date : 2018-03-02
Quantum Theory And Local Causality written by Gábor Hofer-Szabó and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-02 with Science categories.
This book summarizes the results of research the authors have pursued in the past years on the problem of implementing Bell's notion of local causality in local physical theories and relating it to other important concepts and principles in the foundations of physics such as the Common Cause Principle, Bell's inequalities, the EPR (Einstein-Podolsky-Rosen) scenario, and various other locality and causality concepts. The book is intended for philosophers of science with an interest in the formal background of sciences, philosophers of physics and physicists working in foundation of physics.
Rethinking Growth
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Author : W. Baets
language : en
Publisher: Springer
Release Date : 2009-03-19
Rethinking Growth written by W. Baets and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-19 with Business & Economics categories.
Should we rethink growth? Is the abundance of the western world still ethical? Growth, social responsibility and sustainable development are indeed deeply entangled. This book aims to provide the reader with a transversal, holistic view on these issues, and a real understanding of corporate growth, along with its possible alternatives.
The Principles Of Quantum Theory From Planck S Quanta To The Higgs Boson
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Author : Arkady Plotnitsky
language : en
Publisher: Springer
Release Date : 2016-09-26
The Principles Of Quantum Theory From Planck S Quanta To The Higgs Boson written by Arkady Plotnitsky and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-26 with Science categories.
The book considers foundational thinking in quantum theory, focusing on the role the fundamental principles and principle thinking there, including thinking that leads to the invention of new principles, which is, the book contends, one of the ultimate achievements of theoretical thinking in physics and beyond. The focus on principles, prominent during the rise and in the immediate aftermath of quantum theory, has been uncommon in more recent discussions and debates concerning it. The book argues, however, that exploring the fundamental principles and principle thinking is exceptionally helpful in addressing the key issues at stake in quantum foundations and the seemingly interminable debates concerning them. Principle thinking led to major breakthroughs throughout the history of quantum theory, beginning with the old quantum theory and quantum mechanics, the first definitive quantum theory, which it remains within its proper (nonrelativistic) scope. It has, the book also argues, been equally important in quantum field theory, which has been the frontier of quantum theory for quite a while now, and more recently, in quantum information theory, where principle thinking was given new prominence. The approach allows the book to develop a new understanding of both the history and philosophy of quantum theory, from Planck’s quantum to the Higgs boson, and beyond, and of the thinking the key founding figures, such as Einstein, Bohr, Heisenberg, Schrödinger, and Dirac, as well as some among more recent theorists. The book also extensively considers the nature of quantum probability, and contains a new interpretation of quantum mechanics, “the statistical Copenhagen interpretation.” Overall, the book’s argument is guided by what Heisenberg called “the spirit of Copenhagen,” which is defined by three great divorces from the preceding foundational thinking in physics—reality from realism, probability from causality, and locality from relativity—and defined the fundamental principles of quantum theory accordingly.
Quantum Objects
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Author : Gregg Jaeger
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-08-27
Quantum Objects written by Gregg Jaeger and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-27 with Science categories.
This monograph identifies the essential characteristics of the objects described by current quantum theory and considers their relationship to space-time. In the process, it explicates the senses in which quantum objects may be consistently considered to have parts of which they may be composed or into which they may be decomposed. The book also demonstrates the degree to which reduction is possible in quantum mechanics, showing it to be related to the objective indefiniteness of quantum properties and the strong non-local correlations that can occur between the physical quantities of quantum subsystems. Careful attention is paid to the relationships among such property correlations, physical causation, probability, and symmetry in quantum theory. In this way, the text identifies and clarifies the conceptual grounds underlying the unique nature of many quantum phenomena.
Quantum Cybernetics
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Author : Gerhard Grössing
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Quantum Cybernetics written by Gerhard Grössing and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Written for non-specialists, this book discusses the apparent conflict between relativity and quantum mechanics. The author proposes a resolution based on a causal interpretation introduced by Louis deBroglie and elaborated by David Bohm. He shows that a "medium" or "aether" may be introduced in a manner consistent with both relativity and quantum theory, and which allows the two theories to be unified via the identification of circularly causal processes at their core. While several crucial experiments are discussed in detail, the mathematics is kept simple, making the discussion accessible to a wide audience.