Polarizability and the resonance scattering of light: Damping sign issues

Andrews, D. L, Davila Romero, Luciana and Stedman, G. E (2003) Polarizability and the resonance scattering of light: Damping sign issues. Physical Review A (PRA), 67 (5).

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Abstract

In the theory of molecular light scattering and nonlinear optics, excited state damping is a significant consideration at frequencies near to resonance. Despite attempts to resolve a long-standing controversy over the propriety of such methods, there remains a dispute over the correct sign for the damping of antiresonant terms. Most established theory of Raman and associated light scattering employs a constant-sign rule at odds with a variable sign commonly used in nonlinear optics. However, by focusing on the polarizability it is demonstrated that arguments for the constant-sign convention vindicate standard Raman theory; flaws in the counterpropositions undermine the case for variable signing. It is also shown that a polarizability sum rule is valid only with constant-sign damping.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Rachel Smith
Date Deposited: 27 Oct 2010 13:57
Last Modified: 21 Apr 2020 20:27
URI: https://ueaeprints.uea.ac.uk/id/eprint/10700
DOI: 10.1103/PhysRevA.67.055801

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