Cited by 734Spectroscopy and Quantum Chemical StudiesPhotochemistry and Electron Transfer StudiesStrong Light-Matter Interactions

Unified treatment of quantum coherent and incoherent hopping dynamics in electronic energy transfer: Reduced hierarchy equation approach

Ishizaki, Akihito, Fleming, Graham R.·2009·The Journal of Chemical Physics

Abstract

A new quantum dynamic equation for excitation energy transfer is developed which can describe quantum coherent wavelike motion and incoherent hopping in a unified manner. The developed equation reduces to the conventional Redfield theory and Förster theory in their respective limits of validity. In the regime of coherent wavelike motion, the equation predicts several times longer lifetime of electronic coherence between chromophores than does the conventional Redfield equation. Furthermore, we show quantum coherent motion can be observed even when reorganization energy is large in comparison to intersite electronic coupling (the Förster incoherent regime). In the region of small reorganization energy, slow fluctuation sustains longer-lived coherent oscillation, whereas the Markov approximation in the Redfield framework causes infinitely fast fluctuation and then collapses the quantum coherence. In the region of large reorganization energy, sluggish dissipation of reorganization energy increases the time electronic excitation stays above an energy barrier separating chromophores and thus prolongs delocalization over the chromophores.

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Crossref · 10.1063/1.3155372

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  • The optimization-based measure of non-Markovianity founded on the trace distance under CP trace-preserving maps is hard to compute in practice due to the nonconvex structure of the set of Markovian maps.

    “However, this quantity is hard to compute in practice due to the nonconvex structure of the set of Markovian maps E M [5].”

    From Entanglement and Non-Markovianity of Quantum Evolutions (2010) · cites this paper as [5]

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Authors
Ishizaki, A., & Fleming, G. R.
Affiliations
Lawrence Berkeley National Laboratory (US)
Venue
The Journal of Chemical Physics
Published
2009-06-18
Volume
130
Issue
23
Pages
234111-234111
ISSN
  • 0021-9606 (ISSN-L)
  • 1089-7690
OpenAlex
W2072350015
Cited by
734
References
53
Citations by year
2026: 28 · 2025: 36 · 2024: 39 · 2023: 28 · 2022: 40 · 2021: 31 · 2020: 34 · 2019: 41 · 2018: 37 · 2017: 52 · 2016: 48 · 2015: 46 · 2014: 50 · 2013: 51 · 2012: 69
FWCI
32.10
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Chemical Physics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Spectroscopy and Quantum Chemical Studies
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Photochemistry and Electron Transfer Studies
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Strong Light-Matter Interactions
Keywords
excitation energy transfer, quantum coherence, incoherent hopping, Redfield theory, Förster theory, reorganization energy, Markov approximation, energy dissipation
MeSH terms
Computer Simulation, Electrons, Energy Transfer, Models, Chemical, Quantum Theory

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