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Exciton Migration in Molecular Crystals
Abstract
The migration of Frenkel excitons in molecular crystals is studied theoretically, starting from the microscopic equations of motion for the exciton density. The migration process is found to be diffusionlike on a long time scale for all temperatures as long as the exciton–phonon coupling is present. If there is no exciton–phonon coupling, the migration is wavelike. A discussion of the relevant time scales for the wavelike (coherent) process and the diffusion (incoherent) process is given. Several different approximation techniques, based on the cumulant expansion, projection operator, and functional derivative methods, are shown to be mathematically equivalent as applied to this problem.
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Cited by
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Mohseni, M., Rebentrost, P., Lloyd, S., & Aspuru-Guzik, A. (2008) · The Journal of Chemical Physics · doi:10.1063/1.3002335 · Cited by 1,189
Environment-assisted quantum transport
Rebentrost, P., Mohseni, M., Kassal, I., Lloyd, S., & Aspuru-Guzik, A. (2009) · New Journal of Physics · doi:10.1088/1367-2630/11/3/033003 · Cited by 817
Caruso, F., Chin, A. W., Datta, A., Huelga, S. F., & Plenio, M. B. (2009) · The Journal of Chemical Physics · doi:10.1063/1.3223548 · Cited by 655
Beyond Förster Resonance Energy Transfer in Biological and Nanoscale Systems
Beljonne, D., Curutchet, C., Scholes, G. D., & Silbey, R. J. (2009) · The Journal of Physical Chemistry B · doi:10.1021/jp900708f · Cited by 451
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Metadata
- Authors
- Grover, M., & Silbey, R.
- Venue
- The Journal of Chemical Physics
- Publisher
- AIP Publishing
- Published
- 1971-06-01
- Volume
- 54
- Issue
- 11
- Pages
- 4843-4851
- ISSN
- 0021-9606 (ISSN-L)
- 1089-7690
- OpenAlex
- W1978547076
- Cited by
- 341
- References
- 0
- FWCI
- 9.97
- Type
- journal article
- Language
- en
- Open access
- closed
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