Nonequilibrium distributions in superconductors

Journal Article · Sat Oct 01 00:00:00 EDT 1977 · J. Low Temp. Phys.; (United States)

DOI:https://doi.org/10.1007/BF00659093· OSTI ID:5439935

Aronov, A G; Spivak, B Z

The nonequilibrium distribution functions of quasiparticles and phonons in superconductors are calculated for various cases. The conditions at which the nonequilibrium distributions exist are found. The dependences of the temperature and concentration of excitations on the pumping intensity, the sample thickness, and other parameters of the superconductor are calculated. In the current state the dependences of these quantities on the superfluid velocity and the current are investigated, and it is found that the dependence T(v/sub s/) has a minimum, and the current for v/sub s/>v/sup(/sup 1/)/sub s/o becomes negative. It is also shown that in the nonequilibrium superconductor the state with v/sub s/*not =0 and J(v/sub s/*) =0 may exist. We have determined the nonequilibrium distribution function for a tunnel junction and investigated the V-A characteristic at some conditions for which an absolute negative resistance may exist.

• Research Organization: Leningrad Nuclear Physics Institute, Gatchina, Leningrad, USSR
• OSTI ID: 5439935
• Journal Information: J. Low Temp. Phys.; (United States), Vol. 29:1/2
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
SUPERCONDUCTIVITY
DISTRIBUTION FUNCTIONS
CRITICAL CURRENT
EXCITONS
PHONONS
SUPERCONDUCTING FILMS
THICKNESS
TUNNEL EFFECT
CURRENTS
DIMENSIONS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
FILMS
PHYSICAL PROPERTIES
QUASI PARTICLES
656101* - Solid State Physics- Superconductivity- General Theory- (-1987)