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Rhodopsin Photoisomerization: Coherent vs. Incoherent Excitation

2009/11/20 by Kunihito Hoki, Hoki, Kunihito, Paul Brumer +1
Neuroscience · Physics and Astronomy · #Chemical Physics (physics.chem-ph) #Circadian rhythm and melatonin #FOS: Physical sciences #Photoreceptor and optogenetics research #Quantum Physics (quant-ph) #Spectroscopy and Quantum Chemical Studies #physics.chem-ph #quant-ph

paper · pdf · doi:10.48550/arxiv.0911.3957

Original date: May 4, 2006

arxiv created 2009/11/20 · openalex publication_date 2009/11/20 · arxiv updated 2009/12/08 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

A uniform minimal model of rhodopsin photoisomerization induced by either coherent laser light or low level incoherent light (e.g. moonlight) is provided. Realistic timescales for both processes, which differ by ten orders of magnitude, are obtained. Further, a kinetic scheme involving rates for both coherent and incoherent light excitation is introduced, placing all timescales into a uniform framework.

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