Dynamical screening effects in a coupled quasi-one-dimensional electron-phonon system

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buir.contributor.authorTanatar, Bilal
buir.contributor.orcidTanatar, Bilal|0000-0002-5246-0119
dc.citation.epageL673en_US
dc.citation.spageL669en_US
dc.citation.volumeNumber7en_US
dc.contributor.authorBennett, C. R.en_US
dc.contributor.authorConstantinou, N. C.en_US
dc.contributor.authorTanatar, Bilalen_US
dc.date.accessioned2019-02-08T17:42:51Z
dc.date.available2019-02-08T17:42:51Z
dc.date.issued1995en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractA fully dynamical and finite-lempel'dture study of the electron momenhum relaxation rate and mean free path in a coupled system of electrons and bulk LO phonons in a quantum wire structure is presented. Electmn-electron and electron-phonon interactions are eeated on an &at footing within the leading-order perturbation theoq and random-phase approximation. It is demonstrated that coupled-mode effects drastically change the tramport propties of the system at low temperatures. In panicular. the 'plasmon-like' and 'LO-phonon-like' excitations yield comparable rates which, as a consequence of the singular nahlre of the ID density of states, can be large at the threshold. This is in contrast to room temperature results where oniy the LO-phonon mode conuibutes significantly to the rate.en_US
dc.identifier.issn0953-8984
dc.identifier.urihttp://hdl.handle.net/11693/49167
dc.language.isoEnglishen_US
dc.publisherInstitute of Physics Publishing Ltd.en_US
dc.source.titleJournal of Physics: Condensed Matteren_US
dc.titleDynamical screening effects in a coupled quasi-one-dimensional electron-phonon systemen_US
dc.typeArticleen_US

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