Time's Arrows Today: Recent Physical and Philosophical Work on the Direction of Time

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Steven F. Savitt, Steven Frederick Savitt
Cambridge University Press, 13.06.1997 - 330 Seiten
While it seems manifest in our experience that time flows - from the past to the present moment and into the future, there are a number of philosophical and physical objections to this commonsense view of dynamic time. In the quest to make sense of this conundrum philosophers and physicists confront fascinating and irresistible questions such as: Can effects precede causes? Can one travel in time? Can the expansion of the universe or the process of measurement in quantum mechanics provide a direction of time? In this book eleven eminent scholars, standing at the boundary between physics and philosophy, attempt to answer these questions in an entertaining yet rigorous way. For example, William Unruh's chapter is one of the first non-technical essays by this important cosmologist and Huw Price discusses critically the exciting cosmological views of Hawking and Penrose. Philip Stamp and Anthony Leggett discuss macroscopic quantum phenomena, a subject which has not been discussed much outside the specialist literature. John Earman's paper on time travel is likely to become one of the landmarks in the literature. The book will be enjoyed by anyone of a speculative turn of mind fascinated by the puzzles of time.
 

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Inhalt

Preface
ix
Notes on the contributors
x
Introduction
1
Time gravity and quantum mechanics
23
Cosmology times arrow and that old double standard
66
Times arrow and the quantum measurement problem
97
Time decoherence and reversible measurements
107
Time flow nonlocality and measurement in quantum mechanics
155
The elusive object of desire in pursuit of the kinetic equations and the Second Law
191
Time in experience and in theoretical description of the world
217
When and why does entropy increase?
230
Closed causal chains
259
Recent work on time travel
268
References
311
Index
325
Urheberrecht

Stochastically branching spacetime topology
173

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