Boundary conditions on the Ginzburg-Landau equations for anisotropic superconductors

Journal Article · Fri Mar 01 04:00:00 EST 1985 · Sov. Phys. - JETP (Engl. Transl.); (United States)

OSTI ID:5211869

Shapoval, E A

The method of semiclassical trajectories is generalized to the anisotropic case and used to find effective boundary conditions on the Ginzburg-Landau equations at an interface of an anisotropic superconductor with vacuum. Diffusive, specular, and the most general electron reflection laws at the surface are considered. In each case the boundary conditions turn out to be conditions of the third kind with a coefficient the same sign, which indicates a weakening of the order in a surface layer. The absolute value of this coefficient depends on the orientation of the crystallographic axes. In order of magnitude, it is equal to the anisotropy parameter of the energy gap divided by the size of a Cooper pair.

• Research Organization: All-Union Scientific-Research Center for Studies of Surface and Vacuum Properties
• OSTI ID: 5211869
• Journal Information: Sov. Phys. - JETP (Engl. Transl.); (United States), Journal Name: Sov. Phys. - JETP (Engl. Transl.); (United States) Vol. 61:3; ISSN SPHJA
• Country of Publication: United States
• Language: English

Related Subjects

656101* -- Solid State Physics-- Superconductivity-- General Theory-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANISOTROPY
BOUNDARY CONDITIONS
COOPER PAIRS
GINZBURG-LANDAU THEORY
OPTICAL PROPERTIES
ORIENTATION
PHYSICAL PROPERTIES
REFLECTIVITY
SUPERCONDUCTORS
SURFACE PROPERTIES