Vibrational relaxation and Bloch-Redfield theory

Bloch–Redfield theory helps bridge the gap between classical molecular dynamics (MD) simulations and (still unavailable) full quantum-mechanical simulation of processes in condensed media. It allows one to describe quantum processes in terms of a few parameters which can be computed from MD simulati...

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Veröffentlicht in:The Journal of chemical physics 1992-07, Vol.97 (1), p.703-706
Hauptverfasser: FIGUEIRIDO, F. E, LEVY, R. M
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container_title The Journal of chemical physics
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creator FIGUEIRIDO, F. E
LEVY, R. M
description Bloch–Redfield theory helps bridge the gap between classical molecular dynamics (MD) simulations and (still unavailable) full quantum-mechanical simulation of processes in condensed media. It allows one to describe quantum processes in terms of a few parameters which can be computed from MD simulations. In this letter we present results which show that it is practical to use Bloch–Redfield theory to describe the relaxation of high-energy (≥kT) vibrational modes and that it gives answers which differ from the classical MD ones.
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subjects Atomic and molecular physics
Calculations and mathematical techniques in atomic and molecular physics (excluding electron correlation calculations)
Electronic structure of atoms, molecules and their ions: theory
Exact sciences and technology
Physics
title Vibrational relaxation and Bloch-Redfield theory
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