Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 132, Issue 24, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3454657
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Funding
- National Science Foundation [CHE-0745892]
- Direct For Mathematical & Physical Scien [0745892] Funding Source: National Science Foundation
- Division Of Chemistry [0745892] Funding Source: National Science Foundation
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Excitons represent collective optical excitations in which the motions of electrons belonging to different chromophores are correlated. We discuss the utility of the notion of entanglement commonly used in quantum information processing, in the description of these excitations. A distinction is made between some apparent entanglement effects associated with the linear response that may be removed by a transformation of coordinates and can be handled classically, and genuine entanglement that is fundamentally quantum in nature and shows up only in the nonlinear optical response. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3454657]
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