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

Abstract

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.

Authors:
 [1]; ;  [2]
  1. Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012 (India)
  2. Department of Chemistry, University of California, Irvine, California 92697 (United States)
Publication Date:
OSTI Identifier:
22419792
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Chemical Physics; Journal Volume: 141; Journal Issue: 7; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; ELECTRON EXCHANGE; ELECTRONS; EMISSION; MOLECULES; SIGNALS

Citation Formats

Harbola, Upendra, Agarwalla, Bijay Kumar, and Mukamel, Shaul. Frequency-domain stimulated and spontaneous light emission signals at molecular junctions. United States: N. p., 2014. Web. doi:10.1063/1.4892108.
Harbola, Upendra, Agarwalla, Bijay Kumar, & Mukamel, Shaul. Frequency-domain stimulated and spontaneous light emission signals at molecular junctions. United States. doi:10.1063/1.4892108.
Harbola, Upendra, Agarwalla, Bijay Kumar, and Mukamel, Shaul. Thu . "Frequency-domain stimulated and spontaneous light emission signals at molecular junctions". United States. doi:10.1063/1.4892108.
@article{osti_22419792,
title = {Frequency-domain stimulated and spontaneous light emission signals at molecular junctions},
author = {Harbola, Upendra and Agarwalla, Bijay Kumar and Mukamel, Shaul},
abstractNote = {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.},
doi = {10.1063/1.4892108},
journal = {Journal of Chemical Physics},
number = 7,
volume = 141,
place = {United States},
year = {Thu Aug 21 00:00:00 EDT 2014},
month = {Thu Aug 21 00:00:00 EDT 2014}
}