Statistical Physics: Theory of the Condensed State

Front Cover
The second part of 'Statistical Physics' deals with the quantum theory of the condensed state of matter. This volume is essentially an entirely new book, based on the large amount of new material which has become available in statistical physics since' Part 1' was published.


 

Contents

THE NORMAL FERMI LIQUID 1 Elementary exitations in a quantum Fermi liquid
1
Interaction of quasiparticles
11
Magnetic susceptibility of a Fermi liquid
12
Zero sound
15
Spin waves in a Fermi liquid
19
A degenerate almost ideal Fermi gas with repulsion between the particles ix
21
GREENS FUNCTIONS IN A FERMI SYSTEM AT T 0
30
Greens functions in a macroscopic system
31
Diamagnetic susceptibility above the transition point
201
The Josephson effect
204
Relation between current and magnetic field in a superconductor
208
Depth of penetration of a magnetic field into a superconductor
214
Superconducting alloys
216
The Cooper effect for nonzero orbital angular momenta of the pair
219
ELECTRONS IN THE CRYSTAL LATTICE 55 An electron in a periocid field
223
Effect of an external field on electron motion in a lattice
232

Determination of the enregy spectrum from the Greens function 9 Greens function of an ideal Fermi
39
Particle momentum distribution in a Fermi liquid
41
Calculation of thermodynamic quantities from the Greens function
42
operators in the interaction representation
43
The diagram technique for Fermi systems
47
The selfenergy function
55
The twoparticle Greens function
63
The relation of the vertex function of the quasiparticle scattering amplitude 17 The vertex function for small momentum transfers
65
The relation of the vertex function to the quasiparticle interaction function
68
Identities for derivatives of the Greens function
75
Derivation of the relation between the limiting momentum and the density
76
Greens function of an almost ideal Fermi gas LL113826 33
83
SUPERFLUIDITY
85
Elementary excitations in a quantum Bose liquid
87
Superfluidity
89
Phonons in a liquid
95
A degenerate almost ideal Bose
99
The wave function of the condensate
103
Temperature dependence of the condensate density
107
Behaviour of the superfluid density near the 2point
109
Quantized vortex filaments
115
A vortex filament in an almost ideal Bose
117
Greens functions in a Bose liquid
119
The diagram technique for a Bose liquid
125
V
127
Disintegration of quasiparticles
131
Properties of the spectrum near its termination point
135
GREENS FUNCTIONS AT NONZERO TEMPERATURES 36 Greens functions at nonzero temperatures
141
Temperature Greens functions
146
The diagram technique for temperature Greens functions
149
SUPERCONDUCTIVITY 39 A superfluid Fermi gas The energy spectrum
153
A superfluid Fermi gas Thermodynamic properties
159
Greens functions in a superfluid Fermi gas
164
Temperature Greens functions in a superfluid Fermi gas
169
Superconductivity in metals
171
The superconductivity current
173
The GinzburgLandau equations
178
Surface tension at the boundary of superconducting and normal phases
184
The two types of superconductor
190
The structure of the mixed state
193
Quasiclassical trajectories
236
Quasiclassical energy levels
240
The electron effective mass tensor in the lattice
243
Symmetry of electron states in a lattice in a magnetic field
247
Electronic spectra of normal metals
251
Greens function of electrons in a metal
255
The de Haasvan Alphen effect
259
Electronphonon interaction
266
Effect of the electronphonon interaction on the electron spectrum in a metal
270
The electron spectrum of solid insulators
274
Electrons and holes in semiconductors
277
The electron spectrum near the degeneracy point
279
MAGNETISM 69 Equation of motion of the magnetic moment in a ferromagnet
284
Magnons in a ferromagnet The spectrum
289
Magnons in a ferromagnet Thermodynamic quantities
294
85
295
The spin Hamiltonian
300
Interaction of magnons
305
Magnons in an antiferromagnet
310
ELECTROMAGNETIC FLUCTUATIONS 75 Greens function of a photon in a medium
314
Electromagnetic field fluctuations
319
Electromagnetic fluctuations in an infinite medium
321
Current fluctuations in linear circuits
326
Temperature Greens function of a photon in a medium
327
The van der Waals stress tensor
331
Forces of molecular interaction between solid bodies The general formula
338
Forces of molecular interaction between solid bodies Limiting cases
342
Asymptotic behaviour of the correlation function in a liquid
347
Operator expression for the permittivity
350
A degenerate plasma
353
HYDRODYNAMIC FLUCTUATIONS 86 Dynamic form factor of a liquid
360
Summation rules for the form factor
364
Hydrodynamic fluctuations
368
88
369
Hydrodynamic fluctuations in an infinite medium
373
Operator expressions for the transport coefficients
378
Dynamic form factor of a Fermi liquid
380
109
385
124
386
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