Calculations of the A(1) phonon frequency in photoexcited tellurium

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dc.contributor.author Tangney, P
dc.contributor.author Fahy, Stephen B.
dc.date.accessioned 2017-09-08T09:15:50Z
dc.date.available 2017-09-08T09:15:50Z
dc.date.issued 1999
dc.identifier.citation Tangney, P. and Fahy, S. (1999) ' Calculations of the A(1) phonon frequency in photoexcited tellurium', Physical Review Letters, 82(21), 4340-4343 (4pp). doi: 10.1103/PhysRevLett.82.4340 en
dc.identifier.volume 82
dc.identifier.issued 21
dc.identifier.startpage 4340
dc.identifier.endpage 4343
dc.identifier.issn 0031-9007
dc.identifier.uri http://hdl.handle.net/10468/4660
dc.identifier.doi 10.1103/PhysRevLett.82.4340
dc.description.abstract Calculations of the A(1) phonon frequency in photoexcited tellurium are presented. The phonon frequency as a function of photoexcited carrier density and phonon amplitude is determined. Recent pump-probe experiments are interpreted in light of these calculations. It is proposed that, in conjunction with measurements of the phonon period in ultrafast pump-probe reflectivity experiments, the calculated frequency shifts can be used to infer the evolution of the density of photoexcited carriers on a subpicosecond time scale. (S0031-9007(99)09219-4). en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society en
dc.relation.uri https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.82.4340
dc.rights © 1999, American Physical Society en
dc.subject Initio molecular dynamics en
dc.subject Bonding properties en
dc.subject Silicon en
dc.subject Density en
dc.subject Approximation en
dc.subject Carriers en
dc.subject GaAs en
dc.subject Si en
dc.title Calculations of the A(1) phonon frequency in photoexcited tellurium en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Stephen Fahy, Physics, University College Cork, Cork, Ireland. +353-21-490-3000. Email: S.Fahy@ucc.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.internal.wokid WOS:000080405500047
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physical Review Letters en
dc.internal.IRISemailaddress s.fahy@ucc.ie en


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