Nonequilibrium Superconductivity
Journal Article
·
· J. Low Temp. Phys.; (United States)
In general, the quasiparticles, phonons, and pair field in a superconductor driven by an external source are out of equilibrium. Here we review briefly the various quasiparticle and phonon lifetimes in real metals and estimate the strengths necessary to induce a strongly nonequilibrium state. Then we investigate the properties of a thin film driven in a spatially uniform steady state by quasiparticle injection, heater phonon pumping, and microwave radiation. This analysis uses a set of coupled kinetic equations for quasiparticle and phonon distributions and the BCS gap equation with the selfconsistently determined quasiparticle distribution. Such films can be used to generate phonons with energy near 2/sup 0/. In addition, the gap enhancement in a thin film due to microwave irradiation is discussed.
- Research Organization:
- Department of Physics, University of California: Santa Barabar, Santa Barbara, California
- OSTI ID:
- 6877249
- Journal Information:
- J. Low Temp. Phys.; (United States), Journal Name: J. Low Temp. Phys.; (United States) Vol. 30:7; ISSN JLTPA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Kinetic-equation approach to nonequilibrium superconductivity /sup 170/ Department of Physics, University of California, Santa Barbara, California 93106
Tunneling as A probe of nonequilibrium superconducting states
Tunneling as a probe of nonequilibrium superconducting states
Journal Article
·
Mon Feb 28 23:00:00 EST 1977
· Phys. Rev., B; (United States)
·
OSTI ID:7228569
Tunneling as A probe of nonequilibrium superconducting states
Journal Article
·
Mon Aug 30 00:00:00 EDT 1976
· Phys. Rev. Lett.; (United States)
·
OSTI ID:7350446
Tunneling as a probe of nonequilibrium superconducting states
Journal Article
·
Mon Aug 30 00:00:00 EDT 1976
· Phys. Rev. Lett.; (United States)
·
OSTI ID:7100105
Related Subjects
656101* -- Solid State Physics-- Superconductivity-- General Theory-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BCS THEORY
ELECTROMAGNETIC RADIATION
ENERGY GAP
EQUATIONS
FILMS
IRREVERSIBLE PROCESSES
KINETIC EQUATIONS
MICROWAVE RADIATION
PHONONS
QUASI PARTICLES
RADIATIONS
SUPERCONDUCTING FILMS
THERMODYNAMICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BCS THEORY
ELECTROMAGNETIC RADIATION
ENERGY GAP
EQUATIONS
FILMS
IRREVERSIBLE PROCESSES
KINETIC EQUATIONS
MICROWAVE RADIATION
PHONONS
QUASI PARTICLES
RADIATIONS
SUPERCONDUCTING FILMS
THERMODYNAMICS