Nonequilibrium mesoscopic superconductors in a fluctuational regime.
We develop a non-equilibrium Ginzburg-Landau-type theory of the far-from-equilibrium dynamics of superconductors in a fluctuational regime and apply our approach to quantitative description of a superconductor island in a stationary nonequilibrium state. We derive the effective temperature of the nonequilibrium state and find fluctuational contributions to the magnetic susceptibility showing that it becomes a singular function of {radical}V-V{sub c}, where V is the external drive and V{sub c} is its 'critical' value at which the nonequilibrium phase transition takes place.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC; RFRB; Deutsche Forschunsgemeinschaft
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1000673
- Report Number(s):
- ANL/MSD/JA-68556
- Journal Information:
- Europhys. Lett., Journal Name: Europhys. Lett. Journal Issue: Nov. 2009 Vol. 88; ISSN 0295-5075
- Country of Publication:
- United States
- Language:
- ENGLISH
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