A Master Equation with Generalized Lindblad Form and a Unitary Transformation by the Squeezing Operator
arXiv:0803.3105
Abstract
In the preceding paper arXiv:0802.3252 [quant-ph] we treated a model given by a master equation with generalized Lindblad form, and examined the algebraic structure related to some Lie algebras and constructed an approximate solution. In this paper we apply a unitary transformation by the squeezing operator to the master equation. Then the generalized Lindblad form is tranformed to the usual Lindblad one, while the (original) Hamiltonian is tranformed to somewhat complicated one. As a result we have two different representations based on the Lie algebra su(1,1). We examine new algebraic structure and construct some approximate solution.
Latex ; 12 pages ; no figure
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