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Dynamics of the spin-boson model with a structured environment

URN to cite this document:
urn:nbn:de:bvb:355-epub-94726
Thorwart, M. ; Paladino, E. ; Grifoni, Milena
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Date of publication of this fulltext: 18 Sep 2009 09:14



Abstract

We investigate the dynamics of the spin-boson model when the spectral density of the boson bath shows a resonance at a characteristic frequency $\Omega$ but behaves Ohmically at small frequencies. The time evolution of an initial state is determined by making use of the mapping onto a system composed of a quantum mechanical two-state system (TSS) which is coupled to a harmonic oscillator (HO) ...

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