Abstract
A relaxation problem for a single two-level system coupled to a Bose field is investigated. The stationary state and relaxation time of the system is analysed. The correction to the unperturbed stationary state is derived in the fourth order of the interaction between the system and bosons. The criteria for an application of the perturbation calculation are discussed.
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Supported in part by the Polish Academy of Sciences under Contract No. MR I-9.
The author would like to express his sincere thanks to the members of the Department of Theoretical Physics at the Silesian University for their comments and discussions.
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Łuczka, J. Relaxation of a single two-level system. Czech J Phys 36, 674–680 (1986). https://doi.org/10.1007/BF01597403
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DOI: https://doi.org/10.1007/BF01597403