Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/99800
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dc.contributor.authorLiu, Qingmeien
dc.contributor.authorZhao, Yangen
dc.contributor.authorWang, Weihuaen
dc.contributor.authorKato, Tsuyoshien
dc.date.accessioned2011-03-07T01:11:23Zen
dc.date.accessioned2019-12-06T20:11:46Z-
dc.date.available2011-03-07T01:11:23Zen
dc.date.available2019-12-06T20:11:46Z-
dc.date.copyright2009en
dc.date.issued2009en
dc.identifier.citationLiu, Q., Zhao, Y., Wang, W., & Kato, T. (2009). Global-local ansatz and dynamical coherent potential approximation study of off-diagonal exciton-phonon coupling. Physical review B, (79), 1-14.en
dc.identifier.urihttps://hdl.handle.net/10356/99800-
dc.description.abstractWe study the generalized Holstein Hamiltonian in the simultaneous presence of diagonal and off-diagonal exciton-phonon couplings using the global-local Ansatz and the dynamical coherent potential approximation (under the Hartree approximation). The former yields detailed exciton-phonon correlations for polaron states in the lowest polaron energy band in addition to the state-of-the-art ground-state wave functions, while the latter reveals polaron dynamic information in the form of extended energy spectra and spectral density functions. Lowest polaron energy bands generated by the two methods are compared.en
dc.format.extent14 p.en
dc.language.isoenen
dc.relation.ispartofseriesPhysical review Ben
dc.rights© 2009 American Physical Society. This paper was published in Physical Review B and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at: [Doi: http://dx.doi.org/10.1103/PhysRevB.79.165105]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectDRNTU::Science::Physics::Atomic physics::Solid state physicsen
dc.titleGlobal-local ansatz and dynamical coherent potential approximation study of off-diagonal exciton-phonon couplingen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.identifier.doi10.1103/PhysRevB.79.165105en
dc.description.versionPublished versionen
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