Phys. Rev. A 69, 023814 (2004) [6 pages]Influence of radiative damping on the optical-frequency susceptibilityReceived 29 August 2003; published 27 February 2004 Motivated by recent discussions concerning the manner in which damping appears in the electric polarizability, we show that (a) there is a dependence of the nonresonant contribution on the damping and that (b) the damping enters according to the “opposite sign prescription.” We also discuss the related question of how the damping rates in the polarizability are related to energy-level decay rates. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.69.023814
DOI:
10.1103/PhysRevA.69.023814
PACS:
42.65.An, 32.10.Dk, 32.70.Jz, 32.80.-t
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