Abstract
The derivation of the quasiclassical equations considered here depends on the structure of the Gor'kov equations. In a spatially varying situation they couple particle and hole functions with momenta only very near the Fermi surface. The equations are written in a form in which the dependence on the Fermion excitation energy can be integrated out. This produces an envelope function which describes the spatial superfluid structure, but not the oscillations of the full Green's function on the scale of the Fermi wavelength.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
REFERENCES
A. A. Abrikosov, L. P. Gor'kov, and I. E. Dzyaloshinskii, Metody kvantovoi teorii polya v statisticheskoi fizike, Fizmatlit, Moscow, Russia (1962) [Methods of Quantum Field Theory in Statistical Physics, Prentice-Hall, Englewood Cliffs, NJ, USA (1963)].
K. Arndt, Diplomarbeit, Institut für Theoretische Physik der Universität zu Köln (1976).
G. Eilenberger, Z. Phys. 214, 195 (1968).
L. P. Gor'kov and N. P. Kopnin, Zh. Eksp. Teor. Fiz. 64, 356 (1973) [Sov. Phys. JETP 37, 183 (1973)].
A. I. Larkin and Yu. N. Ovchinnikov, Zh. Eksp. Teor. Fiz. 55, 2262 (1968) [Sov. Phys. JETP 28, 1200 (1969)].
E. R. Lorch, Spectral Theory, Oxford University Press, New York (1962), Chap. IV.
A. I. Shelankov, J. Low Temp. Phys. 60, 29 (1985).
N. Schopohl, private communication.
N. Schopohl, J. Low Temp. Phys. 41, 409 (1980).
M. Ashida, S. Aoyama, J. Hara, and K. Nagai, Phys. Rev. B 40, 8673 (1989).
Y. Nagato and K. Nagai, Phys. Rev. B 51, 16254 (1995).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Watts-Tobin, R.J. The Quasiclassical Description of an Inhomogeneous Fermi Superfluid. Journal of Low Temperature Physics 115, 243–249 (1999). https://doi.org/10.1023/A:1021827503594
Issue Date:
DOI: https://doi.org/10.1023/A:1021827503594