Journal
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Volume 54, Issue 22, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6455/ac3e77
Keywords
light-induced processes; incoherent light; quantum coherences; open quantum systems; retinal isomerization; steady state; calcium
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Funding
- US Air Force Office of Scientific Research (AFOSR) [FA9550-20-1-0354]
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The excitation of molecules by incident incoherent electromagnetic radiation, such as sunlight, is described in detail and contrasted with coherent light effects. The quantum coherences induced by incoherent radiation, relevant to transport processes in nature and technology, are emphasized. Equilibrium and steady state scenarios are discussed, using examples such as simple models, calcium excitation in polarized light, and the isomerization of retinal in rhodopsin, to reveal the qualitative nature of established coherences.
Excitation of molecules by incident incoherent electromagnetic radiation, such as sunlight, is described in detail and contrasted with the effect of coherent (e.g. laser) light. The nature of the quantum coherences induced by the former, relevant to transport processes in nature and in technology, is emphasized. Both equilibrium and steady state scenarios are discussed, three examples: simple models, calcium excitation in polarized light, and the isomerization of retinal in rhodopsin are used to expose the underlying qualitative nature of the established coherences.
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