Modern Trends in the Theory of Condensed Matter: Proceedings of the XVI Karpacz Winter School of Theoretical Physics, February 19 - March 3, 1979, Karpacz, Poland (Lecture Notes in Physics)

Some experiments with liquid helium....Pages 1-12 Diatomic molecules and cooper pairs....Pages 13-27 Current density in the BCS ground state for a spatially non-uniform anisotropic superfluid....Pages 28-35 Hamiltonian equations of hydrodynamics of quantum liquid in the presence of solitons....Pages 36-46 Theory of ion mobility in liquid 3 He....Pages 47-73 The excitation spectra of liquid 4 He at zero temperature and of a 3 He atom moving in it....Pages 74-113 Autocorrelation functions of density and transversal current for 3 He(B) in the collisionless regime....Pages 114-134 Microscopic derivation of orbital hydrodynamic equations in superfluid 3 He-A....Pages 135-149 Classical charged fluids at high density....Pages 150-162 Locally nonuniform fluids....Pages 163-173 Random walks on random lattices....Pages 174-187 A lecture on the topological theory of defects in ordered media: How the old theory was leading to paradoxes, and how their resolution comes within the larger frameworks of homotopy theory....Pages 188-194 The frustration model....Pages 195-203 Macroscopic description of spin glasses....Pages 204-224 Spin glasses for the long ranged and short ranged bond ising models without using the replica method....Pages 225-250 Spin glass with nonmagnetic impurities....Pages 251-271 Magnetic excitations in ferromagnets and structural disorder....Pages 272-296 May disorder create frequency gaps in phonon spectra?....Pages 297-327 Mott versus anderson localization in 1t-TaS 2 ....Pages 328-338 Theory of impurity states in heavily doped semiconductors....Pages 339-365 “On the fermi surfaces of random substitutional alloys”....Pages 366-387 Theory of superconducting transition temperature, pair susceptibility, and coherence length....Pages 388-413 Phase transitions and symmetry....Pages 414-431 Theory of elastic phase transitions and soft acoustic modes....Pages 432-446 Structural phase transitions into incommensurate phases....Pages 447-477 On the theory of structural phase transitions in magnetic crystals....Pages 478-500 Displacive reconstruction phase transitions of clean transition metal and semiconductor surfaces....Pages 501-530 Dense phases of hydrogen....Pages 531-536 Properties of metals and the local geometry of the fermi surfaces....Pages 537-562 A new method of obtaining information about phonon density of states and electron-phonon interaction in metals....Pages 563-570 Interaction between strong radiation fields and two-level atoms: A canonical transformation approach....Pages 571-597