Time In Physics
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Time In Physics
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Author : Renato Renner
language : en
Publisher: Birkhäuser
Release Date : 2017-11-06
Time In Physics written by Renato Renner and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-06 with Science categories.
One of the most important questions concerning the foundations of physics, especially since the discovery of relativity and quantum theory, is the nature and role of time. In this book we bring together researchers from different areas of physics, mathematics, computer science and philosophy to discuss the role time plays in physics. There have been few books on this topic to date, and two of the key aims of the workshop and this book are to encourage more researchers to explore this area, and to pique students’ interest in the different roles time plays in physics.
The Order Of Time
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Author : Carlo Rovelli
language : en
Publisher: Penguin
Release Date : 2018-05-08
The Order Of Time written by Carlo Rovelli and has been published by Penguin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-08 with Science categories.
One of TIME’s Ten Best Nonfiction Books of the Decade "Meet the new Stephen Hawking . . . The Order of Time is a dazzling book." --The Sunday Times From the bestselling author of Seven Brief Lessons on Physics, Reality Is Not What It Seems, Helgoland, and Anaximander comes a concise, elegant exploration of time. Why do we remember the past and not the future? What does it mean for time to "flow"? Do we exist in time or does time exist in us? In lyric, accessible prose, Carlo Rovelli invites us to consider questions about the nature of time that continue to puzzle physicists and philosophers alike. For most readers this is unfamiliar terrain. We all experience time, but the more scientists learn about it, the more mysterious it remains. We think of it as uniform and universal, moving steadily from past to future, measured by clocks. Rovelli tears down these assumptions one by one, revealing a strange universe where at the most fundamental level time disappears. He explains how the theory of quantum gravity attempts to understand and give meaning to the resulting extreme landscape of this timeless world. Weaving together ideas from philosophy, science and literature, he suggests that our perception of the flow of time depends on our perspective, better understood starting from the structure of our brain and emotions than from the physical universe. Already a bestseller in Italy, and written with the poetic vitality that made Seven Brief Lessons on Physics so appealing, The Order of Time offers a profoundly intelligent, culturally rich, novel appreciation of the mysteries of time.
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.
Philosophy Of Physics
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Author : Tim Maudlin
language : en
Publisher: Princeton University Press
Release Date : 2012
Philosophy Of Physics written by Tim Maudlin and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Philosophy categories.
Introduces non-physicists to core philosophical issues surrounding the nature & structure of space & time, & is also an ideal resource for physicists interested in the conceptual foundations of space-time theory. Provides a broad historical overview, from Aristotle to Einstein, & covers the Twins Paradox, Galilean relativity, time travel, & more.
The Direction Of Time
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Author : Hans Reichenbach
language : en
Publisher: Univ of California Press
Release Date : 1991
The Direction Of Time written by Hans Reichenbach 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 1991 with Philosophy categories.
Internationally known for his work in the theory of probability, symbolic logic, analysis of space and time, and philosophical problems of quantum physics, Hans Reichenbach (1891-1953) was one of the twentieth century's most incisive philosophers of science. In this, his last book, first published in 1956, he brought all his previous research and insight to bear on the most intractable and intriguing problem in physics: the elusive nature of time. This far-sighted work of philosophy illuminates the metaphysical questions with which contemporary researchers in cosmology and particle physics must contend. Arguing as he did throughout his career that developments in scientific knowledge must influence philosophy, Reichenbach shows how completely the Kantian a priori--and many of our most basic intuitions about the structure of space and time--are undermined by twentieth-century physics. He shows how the philosophical understanding of time is necessary to understanding contemporary problems of cosmology. This new edition of The Direction of Time, published in the year of Reichenbach's centennial, includes an introduction by Hilary Putnam, one of Reichenbach's most eminent students, describing the metaphysical assumptions and arguments embedded in Reichenbach's philosophy, and their importance for the development of contemporary philosophy pf science.
About Time
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Author : Paul Davies
language : en
Publisher: Penguin UK
Release Date : 2006-09-28
About Time written by Paul Davies and has been published by Penguin UK this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-09-28 with Science categories.
This is a book about the meaning of time, what it is, when it has started, how it flows and where to. It examines the consequences of Einstein's theory of relativity and offers startling suggestions about what recent research may reveal.
The End Of Time
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Author : Julian Barbour
language : en
Publisher: Oxford University Press
Release Date : 2001-11-29
The End Of Time written by Julian Barbour and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-11-29 with Science categories.
Provides basic evidence for the nonexistence of time, explaining what a timeless universe is like and showing how the nonexistence of time solves a great paradox of modern science.
The Problem Of Time
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Author : Edward Anderson
language : en
Publisher: Springer
Release Date : 2017-09-18
The Problem Of Time written by Edward Anderson and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-18 with Science categories.
This book is a treatise on time and on background independence in physics. It first considers how time is conceived of in each accepted paradigm of physics: Newtonian, special relativity, quantum mechanics (QM) and general relativity (GR). Substantial differences are moreover uncovered between what is meant by time in QM and in GR. These differences jointly source the Problem of Time: Nine interlinked facets which arise upon attempting concurrent treatment of the QM and GR paradigms, as is required in particular for a background independent theory of quantum gravity. A sizeable proportion of current quantum gravity programs - e.g. geometrodynamical and loop quantum gravity approaches to quantum GR, quantum cosmology, supergravity and M-theory - are background independent in this sense. This book's foundational topic is thus furthermore of practical relevance in the ongoing development of quantum gravity programs. This book shows moreover that eight of the nine facets of the Problem of Time already occur upon entertaining background independence in classical (rather than quantum) physics. By this development, and interpreting shape theory as modelling background independence, this book further establishes background independence as a field of study. Background independent mechanics, as well as minisuperspace (spatially homogeneous) models of GR and perturbations thereabout are used to illustrate these points. As hitherto formulated, the different facets of the Problem of Time greatly interfere with each others' attempted resolutions. This book explains how, none the less, a local resolution of the Problem of Time can be arrived at after various reconceptualizations of the facets and reformulations of their mathematical implementation. Self-contained appendices on mathematical methods for basic and foundational quantum gravity are included. Finally, this book outlines how supergravity is refreshingly different from GR as a realization of background independence, and what background independence entails at the topological level and beyond.
The Reality Of Time Flow
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Author : Richard T. W. Arthur
language : en
Publisher: Springer
Release Date : 2019-06-13
The Reality Of Time Flow written by Richard T. W. Arthur and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-13 with Science categories.
It is commonly held that there is no place for the 'now’ in physics, and also that the passing of time is something subjective, having to do with the way reality is experienced but not with the way reality is. Indeed, the majority of modern theoretical physicists and philosophers of physics contend that the passing of time is incompatible with modern physical theory, and excluded in a fundamental description of physical reality. This book provides a forceful rebuttal of such claims. In successive chapters the author explains the historical precedents of the modern opposition to time flow, giving careful expositions of matters relevant to becoming in classical physics, the special and general theories of relativity, and quantum theory, without presupposing prior expertise in these subjects. Analysing the arguments of thinkers ranging from Aristotle, Russell, and Bergson to the proponents of quantum gravity, he contends that the passage of time, understood as a local becoming of events out of those in their past at varying rates, is not only compatible with the theories of modern physics, but implicit in them.