Cooperative electron-phonon interaction in molecular chains

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dc.creatorYarlagadda, Sudhakar
dc.date2007-12-03
dc.date2008-03-03
dc.date.accessioned2026-07-07T09:23:59Z
dc.date.available2026-07-07T09:23:59Z
dc.descriptionUsing a controlled analytic treatment, we derive a model that generically describes cooperative strong electron-phonon interaction (EPI) in one-band and two-band Jahn-Teller (JT) systems. The model involves a {\em next-nearest-neighbor} hopping and a nearest-neighbor repulsion. Rings with odd number of sites (o-rings) belong to a different universality class compared to rings with even number (e-rings). The e-rings, upon tuning repulsion, undergo a dramatic discontinuous transition to a {\em conducting commensurate} charge density wave (CDW) state with a period independent of filling.
dc.descriptionAdded Jahn-Teller system
dc.identifierhttps://arxiv.org/abs/0712.0366
dc.identifierhttp://arxiv.org/abs/0712.0366
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/155937
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleCooperative electron-phonon interaction in molecular chains
dc.typetext

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