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Shedding (Incoherent) Light on Quantum Effects in Light-Induced Biological Processes
1Chemical Physics Theory Group, Department of Chemistry, and Center for Quantum Information and Quantum Control , University of Toronto , Toronto , Ontario M5S 3H6 , Canada.
Abstract:
Light-induced processes that occur in nature, such as photosynthesis and photoisomerization in the first steps in vision, are often studied in the laboratory using coherent pulsed laser sources, which induce time-dependent coherent wavepacket molecule dynamics. Nature, however, uses stationary incoherent thermal radiation, such as sunlight, leading to a totally different molecular response, the time-independent steady state. It is vital to appreciate this difference in order to assess the role of quantum coherence effects in biological systems. Developments in this area are discussed in detail.
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