Effective Hamiltonian Approach to Open Systems and Its Applications

Details Effective Hamiltonian Approach to Open Systems and Its Applications Effective Hamiltonian Approach to Open Systems and Its Applications

2008-10-16

arxiv.org/abs/0810.2913v1

PRA 78,062114(2008)

Physics

Quantum Physics

9 pages, 2 figures

Scientific paper

10.1103/PhysRevA.78.062114

By using the effective Hamiltonian approach, we present a self-consistent framework for the analysis of geometric phases and dynamically stable decoherence-free subspaces in open systems. Comparisons to the earlier works are made. This effective Hamiltonian approach is then extended to a non-Markovian case with the generalized Lindblad master equation. Based on this extended effective Hamiltonian approach, the non-Markovian master equation describing a dissipative two-level system is solved, an adiabatic evolution is defined and the corresponding adiabatic condition is given.

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