Microscopic approach to correlation-induced frequency shifts

Varada, G. V. ; Agarwal, G. S. (1991) Microscopic approach to correlation-induced frequency shifts Physical Review A, 44 (11). pp. 7626-7634. ISSN 1050-2947

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Official URL: http://pra.aps.org/abstract/PRA/v44/i11/p7626_1

Related URL: http://dx.doi.org/10.1103/PhysRevA.44.7626


A microscopic model for the origin of the source correlations responsible for Wolf shifts is proposed. To illustrate the main features of the phenomenon of these correlation-induced frequency shifts, a simple atomic system consisting of a pair of identical two-level atoms interacting with each other via the dipole-dipole interaction is considered. Effects of the finite temperature of the source are also included. For this microscopic model, the far-zone spectrum for two different experimental situations is calculated. The red and blue frequency shifts of the spectrum can be understood in terms of the dipole-dipole interaction. The magnitude of the shifts depends on the strength of the dipole-dipole interaction. The dependence of the frequency shifts on the temperature of the radiating source is also given.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:78941
Deposited On:23 Jan 2012 15:00
Last Modified:23 Jan 2012 15:00

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