Comment on "Phenomenological damping in optical response tensors"

G. Stedman, S. Naguleswaran, D. Andrews, Luciana Davila Romero

Research output: Contribution to journalComment/debatepeer-review

18 Citations (Scopus)


Damping factors arise from static as well as dynamic perturbations. These must appear with constant sign in the perturbation theory denominators for compatibility with quantum mechanics, conformity with time-reversal symmetry, and agreement with experiment.
Original languageEnglish
Article number047801
JournalPhysical Review A (PRA)
Issue number4
Publication statusPublished - 2001

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