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Kapitza Boundaries, K. Gray (1981)
Nonequilibrium superconductivity, phonons, and Kapitza boundaries
G. Eilenberger (1968)
Transformation of Gorkov's equation for type II superconductors into transport-like equationsZeitschrift für Physik A Hadrons and nuclei, 214
U. Eckern, A. Schmid (1981)
Quasiclassical Green's function in the BCS pairing theoryJournal of Low Temperature Physics, 45
A. Schmid, G. Schön (1975)
Linearized kinetic equations and relaxation processes of a superconductor near TcJournal of Low Temperature Physics, 20
Nielsen, Smith (1985)
Thermal conductivity and charge imbalance in superconductors.Physical review. B, Condensed matter, 31 5
J. Serene, D. Rainer (1983)
The quasiclassical approach to superfluid 3HePhysics Reports, 101
A. Messiah (1961)
Quantum Mechanics
A method is presented for the derivation of the quasiclassical equations for the Keldysh Green's function of a superconductor or superfluid3He. It is shown that the Green's functions on the classical trajectoriesĝ(y 1,y 2), which depend on two trajectory coordinatesy 1 andy 2, give the full description of the system within quasiclassical accuracy. The equation of motion forĝ(y 1,y 2) is obtained. It is shown thatĝ(y)=ĝ(y+0,y)+ĝ(y−0,y) is equal to the Green's function in momentum space integrated with respect to ξ=v F(p−p F). The normalization condition $$[\hat g(y)]^2 = \hat 1$$ is proved in a direct manner using the properties ofĝ(y 1,y 2) withy 1 ≠y 2. The different methods of introducing the distribution function are discussed.
Journal of Low Temperature Physics – Springer Journals
Published: Nov 6, 2004
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