Perturbative treatment of intercenter coupling in the framework of Redfield theory
作者： Ivan Kondov , Michael Schreiber , Ulrich Kleinekathöfer
DOI: 10.1016/S0301-0104(01)00288-9
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摘要: Abstract The quantum dynamics of coupled subsystems connected to a thermal bath is studied. In some the earlier work effect intercenter coupling on dissipative part was neglected. This equivalent zeroth-order perturbative expansion damping term with respect coupling. It shown numerically for two harmonic oscillators that this treatment can lead artifacts and completely wrong description, example, charge transfer processes even very weak Here we perform first-order show these disappear. addition, demonstrate thermodynamic equilibrium population almost reached strong strength.
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