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Library | Item Barcode | Call Number | Material Type | Item Category 1 | Status |
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Searching... | 30000010218984 | QC174.86.N65 C34 2008 | Open Access Book | Book | Searching... |
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Summary
Summary
Bringing together the key ideas from nonequilibrium statistical mechanics and powerful methodology from quantum field theory, this book captures the essence of nonequilibrium quantum field theory. Beginning with the foundational aspects of the theory, the book presents important concepts and useful techniques, discusses issues of basic interest, and shows how thermal field, linear response, kinetic theories and hydrodynamics emerge. It also illustrates how these concepts and methodology are applied to current research topics including nonequilibrium phase transitions, thermalization in relativistic heavy ion collisions, the nonequilibrium dynamics of Bose-Einstein condensation, and the generation of structures from quantum fluctuations in the early Universe. Divided into five parts, each part addresses a particular stage in the conceptual and technical development of the subject.
Table of Contents
Preface | p. xiii |
I Fundamentals of Nonequilibrium Statistical Mechanics | |
1 Basic issues in nonequilibrium statistical mechanics | p. 3 |
1.1 Macroscopic description of physical processes | p. 4 |
1.2 Microscopic characterization from dynamical systems behavior | p. 11 |
1.3 Physical conditions | p. 16 |
1.4 Coarse graining and persistent structure in the physical world | p. 21 |
1.5 Physical systems: Closed, open, effectively closed and effectively open | p. 26 |
1.6 Appendix A: Stochastic processes and equations in a (tiny) nutshell | p. 31 |
2 Relaxation, dissipation, noise and fluctuations | p. 39 |
2.1 A simple model of Brownian motion | p. 39 |
2.2 The Fokker-Planck and Kramers-Moyal equations | p. 45 |
2.3 The Boltzmann equation | p. 49 |
3 Quantum open systems | p. 60 |
3.1 A quick review of quantum mechanics | p. 60 |
3.2 Influence functional | p. 68 |
3.3 The master equation | p. 72 |
3.4 The Langevin equation | p. 73 |
3.5 The Kramers-Moyal equation | p. 79 |
3.6 Derivation of the propagator and the master equation | p. 82 |
3.7 Consistent histories and decoherence functional | p. 86 |
II Basics of Nonequilibrium Quantum Field Theory | |
4 Quantum fields on time-dependent backgrounds: Particle creation | p. 93 |
4.1 Basic field theory | p. 94 |
4.2 Particle production in external fields | p. 106 |
4.3 Spontaneous and stimulated production | p. 111 |
4.4 Quantum Vlasov equation | p. 114 |
4.5 Periodically driven fields | p. 118 |
4.6 Particle creation in a dynamical spacetime | p. 121 |
4.7 Particle creation as squeezing | p. 131 |
4.8 Squeezed quantum open systems | p. 143 |
5 Open systems of interacting quantum fields | p. 148 |
5.1 Influence functional: Two interacting quantum fields | p. 149 |
5.2 Quantum functional master equation | p. 158 |
5.3 The closed time path coarse-grained effective action | p. 162 |
6 Functional methods in nonequilibrium QFT | p. 170 |
6.1 Propagators | p. 171 |
6.2 Functional methods | p. 174 |
6.3 The closed time path effective action | p. 180 |
6.4 Computing the closed time path effective action | p. 187 |
6.5 The two-particle irreducible effective action | p. 195 |
6.6 Handling divergences | p. 203 |
III Gauge Invariance, Dissipation, Entropy, Noise and Decoherence | |
7 Closed time path effective action for gauge theories | p. 211 |
7.1 Path integral quantization of gauge theories - an overview | p. 214 |
7.2 The 2PI formalism applied to gauge theories | p. 223 |
7.3 Gauge dependence and propagator structure | p. 226 |
8 Dissipation and noise in mean field dynamics | p. 231 |
8.1 Preliminaries | p. 234 |
8.2 Dissipation in the mean field dynamics | p. 235 |
8.3 Dissipation and particle creation | p. 236 |
8.4 Particle creation and noise | p. 238 |
8.5 Full quantum correlations from the Langevin approach | p. 240 |
8.6 The fluctuation-dissipation theorem | p. 242 |
8.7 Particle creation and decoherence | p. 243 |
8.8 The nonlinear regime | p. 244 |
8.9 Final remarks | p. 249 |
9 Entropy generation and decoherence of quantum fields | p. 251 |
9.1 Entropy generation from particle creation | p. 251 |
9.2 Entropy of quantum fields | p. 255 |
9.3 Entropy from the (apparent) damping of the mean field | p. 258 |
9.4 Entropy of squeezed quantum open systems | p. 262 |
9.5 Decoherence in a quantum phase transition | p. 270 |
9.6 Spinodal decomposition of an interacting quantum field | p. 274 |
9.7 Decoherence of the inflaton field | p. 281 |
IV Thermal, Kinetic and Hydrodynamic Regimes | |
10 Thermal field and linear response theory | p. 291 |
10.1 The thermal generating functional | p. 291 |
10.2 Linear response theory | p. 293 |
10.3 The Kubo-Martin-Schwinger theorem | p. 294 |
10.4 Thermal self-energy: Screening | p. 297 |
10.5 Landau damping | p. 298 |
10.6 Hard thermal loops | p. 305 |
11 Quantum kinetic field theory | p. 315 |
11.1 The Kadanoff-Baym equations | p. 315 |
11.2 Quantum kinetic field theory on nontrivial backgrounds | p. 330 |
12 Hydrodynamics and thermalization | p. 345 |
12.1 Classical relativistic hydrodynamics | p. 346 |
12.2 Quantum fields in the hydrodynamic limit | p. 353 |
12.3 Transport functions in the hydrodynamic limit | p. 360 |
12.4 Transport functions from linear response theory | p. 367 |
12.5 Thermalization | p. 374 |
V Applications to Selected Current Research | |
13 Nonequilibrium Bose-Einstein condensates | p. 391 |
13.1 The closed time path integral approach to BECs | p. 393 |
13.2 The symmetry-breaking approach to BECs | p. 396 |
13.3 The particle number conserving formalism | p. 420 |
14 Nonequilibrium issues in RHICs and DCCs | p. 429 |
14.1 Relativistic heavy ion collisions (RHICs) | p. 429 |
14.2 Disoriented chiral condensates (DCCs) | p. 439 |
15 Nonequilibrium quantum processes in the early universe | p. 447 |
15.1 Quantum fluctuations and noise in inflationary cosmology | p. 448 |
15.2 Structure formation: Effect of colored noise | p. 457 |
15.3 Reheating in the inflationary universe | p. 474 |
References | p. 490 |
Index | p. 530 |