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A theoretical approach to exciton trapping in systems with arbitrary trap concentration

✍ Scribed by V.M. Kenkre

Publisher: Elsevier Science
Year: 1982
Tongue: English
Weight: 280 KB
Volume: 93
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(82)80135-8

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✦ Synopsis

IN SYSTEMS WITH ARBITRARY TRAP CONCENTRATION *

A WI& npproach lo the trappmg of momg quaqmt~clcs m sohds, vahd for rubltrary conccntntlon of imps, IS dcvclopcd \VMe the analyns LS prcscntcd ffl lhc context of rrcnkcl cxc11ons III mokcuhi crysub, 11s appllabdlty s generd A crntral result IS tbz~t observable quanfities such as the lumtncsccncc mtcnsity, the quantum ylcld, and ako the survlnng number of quasslpartrcles can bc obtamed from cxsct cxpresslons vahd [or a single hap by rcplacmg the self-propagator by P sum over propagators III the trap-mfluenccd rcglon Arbltmly conccnlratlom and arbdnry nature of motion mcludmg zubdmry degree of cohcrencc c3n thus be oddresscd w~thm a umficd frmcwork of exciton dynamics.

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