Berlin 2014 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 13: Posters 3: Cold Molecules, Helium Nano Droplets, and Experimental Techniques

MO 13.35: Poster

Mittwoch, 19. März 2014, 16:30–18:30, Spree-Palais

Hierarchy of stochastic pure state wavefunctions for open quantum systemsDaniel Süss1, Walter T. Strunz1, and •Alexander Eisfeld21TU Dresden — 2MPI-PKS

A method is presented to efficiently solve open quantum system problems with an non-Markovian structured environment. The approach is based on the Non-Markovian quantum state diffusion (NMQSD). We derive a hierarchy of stochastic differential equations, which can be solved numerically efficient and which converges rapidly to the exact reduced density matrix. We demonstrate the usefulness of the method by considering the spin-boson problem, electronic excitation transfer in the light-harvesting Fenna-Matthews-Olson (FMO) complex and the calculation of absorption spectra of molecular aggregates.

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