Physics – Quantum Physics
Scientific paper
2001-04-27
Physics
Quantum Physics
Scientific paper
10.1103/PhysRevA.64.032113
Decoherence effects associated to the damping of a tunneling two-level system are shown to dominate the tunneling probability at short times in strong coupling regimes in the context of a soluble model. A general decomposition of tunneling rates in dissipative and unitary parts is implemented. Master equation treatments fail to describe the model system correctly when more than a single relaxation time is involved.
de Faria G. Peixoto J.
Salgueiro A. N.
Toledo Piza F. de R. de A.
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