The Physics Of Time Reversal
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The Physics Of Time Reversal
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Author : Robert G. Sachs
language : en
Publisher: University of Chicago Press
Release Date : 1987
The Physics Of Time Reversal written by Robert G. Sachs and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.
The notion that fundamental equations governing the motions of physical systems are invariant under the time reversal transformation (T) has been an important, but often subliminal, element in the development of theoretical physics. It serves as a powerful and useful tool in analyzing the structure of matter at all scales, from gases and condensed matter to subnuclear physics and the quantum theory of fields. The assumption of invariance under T was called into question, however, by the 1964 discovery that a closely related assumption, that of CP invariance (where C is charge conjugation and P is space inversion), is violated in the decay of neutral K mesons. In The Physics of Time Reversal, Robert G. Sachs comprehensively treats the role of the transformation T, both as a tool for analyzing the structure of matter and as a field of fundamental research relating to CP violation. For this purpose he reformulates the definitions of T, P, and C so as to avoid subliminal assumptions of invariance. He summarizes the standard phenomenology of CP violation in the K-meson system and addresses the question of the mysterious origin of CP violation. Using simple examples based on the standard quark model, Sachs summarizes and illustrates how these phenomenological methods can be extended to analysis of future experiments on heavy mesons. He notes that his reformulated approach to conventional quantum field theory leads to new questions about the meaning of the transformations in the context of recent theoretical developments such as non-Abelian gauge theories, and he suggests ways in which these questions may lead to new directions of research.
Time Reversal Symmetry
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Author : Ion I. Geru
language : en
Publisher: Springer
Release Date : 2018-12-31
Time Reversal Symmetry written by Ion I. Geru and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-12-31 with Science categories.
This book introduces new developments in the field of Time-Reversal Symmetry presenting, for the first time, the Wigner time-reversal operator in the form of a product of two- or three time-reversal operators of lower symmetry. The action of these operators leads to the sign change of only one or two angular momentum components, not of all of them. It demonstrates that there are six modes of time-reversal symmetry breaking that do not lead to the complete disappearance of the symmetry but to its lowering. The full restoration of the time-reversal symmetry in the six cases mentioned is possible by introducing six types of metaparticles. The book also confirms the presence of six additional time-reversal operators using a group-theoretical method. The problem is only where to seek these metaparticles. The book discusses time-reversal symmetry in classical mechanics, classical and relativistic electrodynamics, quantum mechanics and theory of quantized fields, including dynamical reversibility and statistical irreversibility of the time, Wigner’s and Herring’s criteria, Kramers theorem, selection rules due to time-reversal symmetry, Onsager’s relations, Poincaré recurrence theorem, and CPT theorem. It particularly focuses attention on time-reversal symmetry violation. It is proposed a new method of testing the time-reversal symmetry, which is confirmed experimentally by EPR spectroscopy data. It shows that the traditional black-white point groups of magnetic symmetry are not applicable to magnetic systems with Kramers degeneration of energy levels and that magnetic groups of four-color symmetry are adequate for them. Further, it addresses the predicted structural distortions in Kramers three-homonuclear magnetic clusters due to time-reversal symmetry that have been identified experimentally. Lastly, it proposes a method of synthesis of two-nuclear coordination compounds with predictable magnetic properties, based on the application of the time-reversal transformation that was confirmed experimentally.
Time Reversal An Autobiography
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Author : A. Abragam
language : en
Publisher:
Release Date : 1989
Time Reversal An Autobiography written by A. Abragam and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Biography & Autobiography categories.
This book is the story of a physicist who will never see three score years and ten again, and who, during his long and chequered career, has lived through many events, met all kinds of people, known many distinguished scientists, and tried, not always successfully, to bring some original contributions to a field of physics born after the Second World War, nuclear magnetism.
Reversing The Arrow Of Time
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Author : Bryan W. Roberts
language : en
Publisher: Cambridge University Press
Release Date : 2022-12-08
Reversing The Arrow Of Time written by Bryan W. Roberts and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-12-08 with Science categories.
The arrow of time refers to the curious asymmetry that distinguishes the future from the past. Reversing the Arrow of Time argues that there is an intimate link between the symmetries of 'time itself' and time reversal symmetry in physical theories, which has wide-ranging implications for both physics and its philosophy. This link helps to clarify how we can learn about the symmetries of our world; how to understand the relationship between symmetries and what is real, and how to overcome pervasive illusions about the direction of time. Roberts explains the significance of time reversal in a way that intertwines physics and philosophy, to establish what the arrow of time means and how we can come to know it. This book is both mathematically and philosophically rigorous yet remains accessible to advanced undergraduates in physics and philosophy of physics. This title is also available as Open Access on Cambridge Core.
Search For Time Reversal Invariance Violation In Pi P Ne E
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Author : William Noel Ross
language : en
Publisher:
Release Date : 1969
Search For Time Reversal Invariance Violation In Pi P Ne E written by William Noel Ross and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Mesons categories.
Reciprocity Spatial Mapping And Time Reversal In Electromagnetics
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Author : C. Altman
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Reciprocity Spatial Mapping And Time Reversal In Electromagnetics written by C. Altman 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 2013-03-09 with Science categories.
The choice of topics in this book may seem somewhat arbitrary, even though we have attempted to organize them in a logical structure. The contents reflect the path of 'search and discovery' followed by us, on and off, for the in fact last twenty years. In the winter of 1970-71 one of the authors (C. A. ), on sah baticalleave with L. R. O. Storey's research team at the Groupe de Recherches Ionospheriques at Saint-Maur in France, had been finding almost exact symme tries in the computed reflection and transmission matrices for plane-stratified magnetoplasmas when symmetrically related directions of incidence were com pared. At the suggestion of the other author (K. S. , also on leave at the same institute), the complex conjugate wave fields, used to construct the eigenmode amplitudes via the mean Poynting flux densities, were replaced by the adjoint wave fields that would propagate in a medium with transposed constitutve tensors, et voila, a scattering theorem-'reciprocity in k-space'-was found in the computer output. To prove the result analytically one had to investigate the properties of the adjoint Maxwell system, and the two independent proofs that followed, in 1975 and 1979, proceeded respectively via the matrizant method and the thin-layer scattering-matrix method for solving the scattering problem, according to the personal preferences of each of the authors. The proof given in Chap. 2 of this book, based on the hindsight provided by our later results, is simpler and much more concise.
The Physics Of Time Asymmetry
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Author : P. C. W. Davies
language : en
Publisher: Univ of California Press
Release Date : 1974
The Physics Of Time Asymmetry written by P. C. W. Davies and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Science categories.
Electromagnetic Time Reversal
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Author : Farhad Rachidi
language : en
Publisher: John Wiley & Sons
Release Date : 2017-04-17
Electromagnetic Time Reversal written by Farhad Rachidi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04-17 with Science categories.
The aim of this book is to familiarize the reader with the concept of electromagnetic time reversal, and introduce up-to-date applications of the concept found in the areas of electromagnetic compatibility and power systems. It is original in its approach to describing propagation and transient issues in power networks and power line communication, and is the result of the three main editors' pioneering research in the area.
Measurements And Time Reversal In Objective Quantum Theory
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Author : Frederik Jozef Belinfante
language : en
Publisher:
Release Date : 1975
Measurements And Time Reversal In Objective Quantum Theory written by Frederik Jozef Belinfante and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Quantum theory categories.
Measurements And Time Reversal In Objective Quantum Theory
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Author : F. J. Belinfante
language : en
Publisher: Elsevier
Release Date : 2016-02-09
Measurements And Time Reversal In Objective Quantum Theory written by F. J. Belinfante and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-02-09 with Science categories.
Measurements and Time Reversal in Objective Quantum Theory is a three-chapter book that begins with a discussion on the fundamentals of conventional quantum theory. The second chapter focuses on the time arrow of quantum theory. It specifically presents a schematized account of the results of an interesting paper on time reversal in quantum theory published by Aharonov, Bergmann, and Lebowitz. The last chapter presents the authors' conclusions and additional comments in this field. This book will be valuable to students of wave mechanics and will serve as a supplement to textbooks, which fail to present an appropriate discussion of these matters.