Geodesic

Tome 21 (1974) no. 1

Sommaire

Equations for Green's functions obtained from a~variational principle
p. 3-12
Two-body problem in adiabatic and strong coupling
p. 13-29
Twisted eikonal graphs and structure of the quasipotential
p. 30-36
Singular quasipotential equation
p. 37-48
Legendre transforms in the Ising model
p. 49-59
Finiteness of the discrete spectrum in the quantum $n$-particle problem
p. 60-73
Dissociation and formation of negative ions in slow collisions with atoms. Allowance for the quantum-mechanical nature of the motion of atoms in the case of horizontal position of the boundary of the continuous spectrum
p. 74-85
Spectrum and correlation functions of an anisotropic Heisenberg antiferromagnet
p. 86-102
Aspects of the study of model Hamiltonians of statistical physics
p. 103-110
On the critical temperature of anisotropic and inhomogeneous superconductors
p. 111-117
On~an~effective Hamiltonian that describes quasihomeopolar excitations in the framework of the Hubbard model
p. 118-129
Response of a~thermodynamic system to a~slowly varying mechanical perturbation
p. 130-136
Interaction of two-quasiparticle and phonon excitations in even-even atomic nuclei
p. 137-145
Integral equations for equilibrium distribution functions
p. 146-152