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Non-Exponential Decay for Polaron Model | | L.Accardi
; S.V.Kozyrev
; I.V.Volovich
; | | Date: |
26 Apr 1999 | | Journal: | Phys.Lett. A260 (1999) 31-38 | | Subject: | quant-ph | | Abstract: | A model of particle interacting with quantum field is considered. The model includes as particular cases the polaron model and non-relativistic quantum electrodynamics. We compute matrix elements of the evolution operator in the stochastic approximation and show that depending on the state of the particle one can get the non-exponential decay with the rate t^{-3/2}. In the process of computation a new algebra of commutational relations that can be considered as an operator deformation of quantum Boltzmann commutation relations is used. | | Source: | arXiv, quant-ph/9904084 | | Services: | Forum | Review | PDF | Favorites | |
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