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Intrinsic localized modes in the charge-transfer solid PtCl

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arxiv cond-mat/9907436 v1 pith:4OLNK2MV submitted 1999-07-28 cond-mat

Intrinsic localized modes in the charge-transfer solid PtCl

classification cond-mat
keywords intrinsiclocalizedmodesptclramanscatteringanalysisarising
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We report a theoretical analysis of intrinsic localized modes in a quasi-one-dimensional charge-transfer-solid $[Pt(en)_2][Pt(en)_2 Cl_2](ClO_4)_4$(PtCl). We discuss strongly nonlinear features of resonant Raman overtone scattering measurements on PtCl, arising from quantum intrinsic localized (multiphonon) modes (ILMs) and ILM-plus-phonon states. We show, that Raman scattering data displays clear signs of a non-thermalization of lattice degrees-of-freedom, manifested in a nonequilibrium density of intrinsic localized modes.

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