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Spin-boson dynamics: A unified approach from weak to strong coupling

URN to cite this document:
Nesi, Francesco ; Paladino, Elisabetta ; Thorwart, Michael ; Grifoni, Milena
Date of publication of this fulltext: 21 Aug 2009 08:53


We present a novel approximation scheme to describe the influence of a harmonic bath on the dynamics of a two-level particle over almost the whole regime of temperatures and coupling to the environment, for a wide class of bath spectral densities. Starting from the exact path-integral solution for the two-level system density matrix, effective intra-blip correlations are fully included, while ...


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