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Quantum quadratic brownian oscillator model for absorption lineshapes
Author(s) -
Barsegov Valeri,
Chernyak Vladimir,
Mukamel Shaul
Publication year - 2003
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1560/hg6u-yqmp-8a3g-nerf
Subject(s) - chemistry , brownian motion , quadratic growth , dipole , quadratic equation , gaussian , path integral formulation , absorption (acoustics) , quantum mechanics , quantum , solvation , computational chemistry , mathematical analysis , physics , molecule , optics , geometry , mathematics , organic chemistry
Abstract The absorption lineshape of a two‐level chromophore coupled quadratically to a collective Gaussian solvation coordinate with an arbitrary Brownian oscillator spectral density is calculated exactly using a path‐integral representation of the dipole correlation function in Liouville space.