In this paper we use the stochastic limit approach (SLA) in order to analyze some generalized versions of the open BCS model first introduced by Buffet and Martin and recently analyzed by the author using the SLA. In particular, considering different models, we discuss the role of a second reservoir interacting with the first one (but not with the system) in the computation of the critical temperature corresponding to the transition from a normal to a superconducting phase
BAGARELLO F (2005). The role of a second reservoir in the open BCS model. OPEN SYSTEMS & INFORMATION DYNAMICS, 12, 401-420 [10.1007/s11080-005-4489-9].
The role of a second reservoir in the open BCS model
BAGARELLO, Fabio
2005-01-01
Abstract
In this paper we use the stochastic limit approach (SLA) in order to analyze some generalized versions of the open BCS model first introduced by Buffet and Martin and recently analyzed by the author using the SLA. In particular, considering different models, we discuss the role of a second reservoir interacting with the first one (but not with the system) in the computation of the critical temperature corresponding to the transition from a normal to a superconducting phase
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