Lectures on the Many-body Problem, Volume 2Eduardo R. Caianiello, Eduardo Renato Caianiello Vols. 1-2 consist of lectures delivered at the 2nd and 5th Schools respectively. |
From inside the book
Results 1-3 of 90
Page 15
... particle spectrum of a many - body system is not easily measured . Its direct measurement requires that one have a source of particles , since the quasi - particle properties derive from the behavior of the system with one additional ...
... particle spectrum of a many - body system is not easily measured . Its direct measurement requires that one have a source of particles , since the quasi - particle properties derive from the behavior of the system with one additional ...
Page 39
... particle is the average time : dependent self - consistent field of all the other particles . That this is the case is perhaps obvious for the plasmons ; it is equally true for zero sound , as may be seen from an inspection of the ...
... particle is the average time : dependent self - consistent field of all the other particles . That this is the case is perhaps obvious for the plasmons ; it is equally true for zero sound , as may be seen from an inspection of the ...
Page 53
... particle ; thus there continues to be an overlap between the quasi particle spec- trum and the density fluctuation excitation spectrum . We are essentially arguing that when we start with the system of N - 1 " bare " particles plus one ...
... particle ; thus there continues to be an overlap between the quasi particle spec- trum and the density fluctuation excitation spectrum . We are essentially arguing that when we start with the system of N - 1 " bare " particles plus one ...
Contents
Introductory Remarks on SolidState Physics | 1 |
Discontinuities in the Drift Velocity of Ions in Liquid Helium | 11 |
Correlation and Response for Neutral Systems | 42 |
Copyright | |
18 other sections not shown
Other editions - View all
Common terms and phrases
approximation average behavior boson calculation classical plasma coefficient collective mode commutation configurations conservation consider correlation function corresponding coupling defined density fluctuation density matrix depends dispersion relation dissipative dynamic form factor effect energy equation of motion equilibrium exp ip expansion expression external Fermi fermion ferromagnet finite temperatures Fourier transform frequency G₁ Green's function Hamiltonian hydrodynamic interaction Josephson L₁ lattice Liouville representation long-wavelength limit longitudinal low temperatures macroscopic magnetic field many-body matrix element momentum q obtain operator order parameter P. W. Anderson pair excitations particle particle-hole pair perturbation phase phonon Phys physical plasma oscillations plasmon potential properties quantum quasi-particle r₁ renormalization response function space spectrum spin wave ST(q sum rule superconductor superfluid system of interest thermal thermodynamic tion tunneling v₁ v₂ variables vector velocity wave function wavelength x₁ zero әт дп др