§ 7. Green’s functions in a macroscopic system
§ 8. Determination of the energy spectrum from the Green’s function
§ 9. Green’s function of an ideal Fermi gas
§ 10. Particle momentum distribution in a Fermi liquid
§ 11. Calculation of thermodynamic quantities from the Green’s function
§ 12. Ψ operators in the interaction representation
§ 13. The diagram technique for Fermi systems
§ 14. The self-energy function
§ 15. The two-particle Green’s function
§ 16. The relation of the vertex function to the quasi-particle scattering amplitude
§ 17. The vertex function for small momentum transfers
§ 18. The relation of the vertex function to the quasi-particle interaction function
§ 19. Identities for derivatives of the Green’s function
§ 20. Derivation of the relation between the limiting momentum and the density
§ 22. Elementary excitations in a quantum Bose liquid
§ 25. A degenerate almost ideal Bose gas
§ 26. The wave function of the condensate
§ 27. Temperature dependence of the condensate density
§ 28. Behaviour of the superfluid density near the λ-point
§ 29. Quantized vortex filaments
§ 30. A vortex filament in an almost ideal Bose gas
§ 31. Green’s functions in a Bose liquid
§ 32. The diagram technique for a Bose liquid
§ 39. A superfluid Fermi gas. The energy spectrum
§ 40. A superfluid Fermi gas. Thermodynamic properties
§ 41. Green’s functions in a superfluid Fermi gas
§ 42. Temperature Green’s functions in a superfluid Fermi gas
§ 43. Superconductivity in metals
§ 44. The superconductivity current
§ 45. The Ginzburg–Landau equations
§ 46. Surface tension at the boundary of superconducting and normal phases
§ 47. The two types of superconductor
§ 48. The structure of the mixed state
§ 49. Diamagnetic susceptibility above the transition point
§ 51. Relation between current and magnetic field in a superconductor
§ 52. Depth of penetration of a magnetic field into a superconductor
§ 54. The Cooper effect for non-zero orbital angular momenta of the pair
§ 55. An electron in a periodic field
§ 56. Effect of an external field on electron motion in a lattice
§ 57. Quasi-classical trajectories
§ 58. Quasi-classical energy levels
§ 59. The electron effective mass tensor in the lattice
§ 60. Symmetry of electron states in a lattice in a magnetic field
§ 61. Electron spectra of normal metals
§ 62. Green’s function of electrons in a metal
§ 63. The de Haas–van Alphen effect
§ 64. Electron–phonon interaction
§ 65. Effect of electron–phonon interaction on the electron spectrum in a metal
§ 66. The electron spectrum of solid insulators
§ 75. Green’s function of a photon in a medium
§ 76. Electromagnetic field fluctuations
§ 77. Electromagnetic fluctuations in an infinite medium
§ 78. Current fluctuations in linear circuits
§ 79. Temperature Green’s function of a photon in a medium
§ 80. The van der Waals stress tensor
§ 81. Forces of molecular interaction between solid bodies. The general formula
§ 82. Forces of molecular interaction between solid bodies. Limiting cases
§ 83. Asymptotic behaviour of the correlation function in a liquid