Physical Origins of Time AsymmetryJ. J. Halliwell, J. Pérez-Mercader, W. H. Zurek Cambridge University Press, 21 ÁÕ.¤. 1996 - 536 ˹éÒ In the world about us, the past is distinctly different from the future. More precisely, we say that the processes going on in the world about us are asymmetric in time or display an arrow of time. Yet this manifest fact of our experience is particularly difficult to explain in terms of the fundamental laws of physics. Newton's laws, quantum mechanics, electromagnetism, Einstein's theory of gravity, etc., make no distinction between past and future - they are time-symmetric. Reconciliation of these profoundly conflicting facts is the topic of this volume. It is an interdisciplinary survey of the variety of interconnected phenomena defining arrows of time, and their possible explanations in terms of underlying time-symmetric laws of physics. |
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Time Today | 1 |
Information Computation and Complexity | 31 |
Complexity in the Universe | 33 |
Information Entropy and Chaos | 47 |
Demonic Heat Engines | 90 |
Which Processes Satisfy the Second Law? | 98 |
Causal Asymmetry from Statistics | 108 |
Statistical Origins of Irreversibility | 117 |
Is Time Sharp or Diffused? | 274 |
Time Asymmetry and the Interpretation of Quantum Theory | 280 |
Clock Time and Entropy | 287 |
TimeSymmetric Cosmology and Definite Quantum Measurements | 299 |
Quantum Cosmology and Initial Conditions | 309 |
Time Symmetry and Asymmetry in Quantum Mechanics and Quantum Cosmology | 311 |
The No Boundary Condition And The Arrow Of Time | 346 |
The Arrow of Time and the NoBoundary Proposal | 358 |
Stirring up Trouble | 119 |
Times Arrow and Boltzmanns Entropy | 131 |
Statistical Irreversibility Classical and Quantum | 147 |
Quantum Fluctuations and Irreversibility | 160 |
Decoherence | 173 |
Preferred Sets of States Predictability Classicality and EnvironmentInduced Decoherence | 175 |
Decoherence in Quantum Brownian Motion | 213 |
Decoherence Without Complexity and Without an Arrow of Time | 221 |
The Decoherence Functional in the CaldeiraLeggett Model | 234 |
Two Perspectives on a Decohering Spin | 246 |
Time Asymmetry and Quantum Mechanics | 257 |
Is Time Asymmetry Logically Prior to Quantum Mechanics? | 259 |
Time and Quantum Mechanics | 268 |
Quantum Cosmology and Time Asymmetry | 369 |
Time ASymmetry in a Recollapsing Quantum Universe | 390 |
The Emergence of Time and Its Arrow from Timelessness | 405 |
Wormholes and Time Asymmetry | 415 |
Time Machs Principle and Quantum Cosmology | 424 |
Time and Irreversibility in Gravitational Physics | 431 |
Times at Early Times | 433 |
Abandoning Prejudices About Time Reparametrization Invariance | 442 |
Physics in Knots | 452 |
Temperature and Time in the Geometry of Rotating Black Holes | 465 |
Fluctuation Dissipation and Irreversibility in Cosmology | 475 |
FluctuationDissipation Theorem in General Relativity and the Cosmological Constant | 504 |
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3-geometry algorithmic information amplitude approximation asymmetry behavior bits black hole boundary conditions causal classical coarse-grained cell complex configuration consistent histories coordinate correlation corresponding decoherence decoherence functional defined density matrix described discussion dissipation distribution dynamics effect eigenstates energy ensemble environment equilibrium evolution evolved example expansion final conditions fluctuations formalism Gell-Mann given Halliwell Hamiltonian Hartle Hawking Hilbert space increase initial and final initial conditions interaction interpretation irreversibility macroscopic Markov measurement metric minisuperspace no-boundary notion observed Omnès oscillator outcome parameter perturbation phase space Phys physical possible predict probability problem processes projection operators properties pure quantum cosmology quantum field quantum gravity quantum measurement quantum mechanics quantum system quantum theory relative result reversal Schrödinger Schrödinger equation second law solutions spacetime specify statistical entropy superspace t₁ temperature tensor thermodynamic arrow time-symmetric trajectories typical universe vacuum variables vector wave function wave packet Wheeler-DeWitt equation Zurek