# Nonequilibrium generalization of F\\"{o}rster-Dexter theory for excitation energy transfer

Source: [Nonequilibrium generalization of F\\"{o}rster-Dexter theory for excitation energy transfer](<https://www.sota2.com/research/paper/68fa25ba2c2a3760193b3330>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T10:55:29.056Z

Authors: Seogjoo Jang, YounJoon Jung, Robert J. Silbey

Published: 2002-03-31T21:38:54.000Z

## Abstract

F\\"{o}rster-Dexter theory for excitation energy transfer is generalized for the account of short time nonequilibrium kinetics due to the nonstationary bath relaxation. The final rate expression is presented as a spectral overlap between the time dependent stimulated emission and the stationary absorption profiles, which allows experimental determination of the time dependent rate. For a harmonic oscillator bath model, an explicit rate expression is derived and model calculations are performed in order to examine the dependence of the nonequilibrium kinetics on the excitation-bath coupling strength and the temperature. Relevance of the present theory with recent experimental findings and possible future theoretical directions are discussed.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/cond-mat/0204017>)

[PDF](<https://arxiv.org/pdf/cond-mat/0204017.pdf>)