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Frequency-domain stimulated and spontaneous light emission signals at molecular junctions

Harbola, Upendra and Agarwalla, Bijay Kumar and Mukamel, Shaul (2014) Frequency-domain stimulated and spontaneous light emission signals at molecular junctions. In: JOURNAL OF CHEMICAL PHYSICS, 141 (7).

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Official URL: http://dx.doi.org/ 10.1063/1.4892108


Using a diagrammatic superoperator formalism we calculate optical signals at molecular junctions where a single molecule is coupled to two metal leads which are held at different chemical potentials. The molecule starts in a nonequilibrium steady state whereby it continuously exchanges electrons with the leads with a constant electron flux. Expressions for frequency domain optical signals measured in response to continuous laser fields are derived by expanding the molecular correlation functions in terms of its many-body states. The nonunitary evolution of molecular states is described by the quantum master equation. (C) 2014 AIP Publishing LLC.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the AMER INST PHYSICS, CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 24 Sep 2014 05:49
Last Modified: 24 Sep 2014 05:49
URI: http://eprints.iisc.ac.in/id/eprint/49926

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