Wigner distribution function formalism for superconductors and collisionless dynamics of the superconducting order parameter

被引:26
作者
Amin, MHS
Bezuglyi, EV
Kijko, AS
Omelyanchouk, AN
机构
[1] D Wave Syst Inc, Vancouver, BC V6J 4Y3, Canada
[2] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine
关键词
D O I
10.1063/1.1789939
中图分类号
O59 [应用物理学];
学科分类号
摘要
A technique for studying collisionless dynamics of a homogeneous superconducting system is developed which is based on Riccati parametrization of the Wigner distribution function. The quantum evolution of the superconducting order parameter, initially deviating from the equilibrium value, is calculated using this technique. The effect of a time-dependent BCS paring interaction on the dynamics of the order parameter is also studied. (C) 2004 American Institute of Physics.
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页码:661 / 666
页数:6
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