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Article: Momentum-resolved Electronic Relaxation Dynamics in D-wave Superconductors

TitleMomentum-resolved Electronic Relaxation Dynamics in D-wave Superconductors
Authors
Issue Date2014
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter and Materials Physics), 2014, v. 89 n. 9, article no. 094519 How to Cite?
AbstractMotivated by recent development in time-resolved angle-resolved photoemission spectroscopy (trARPES) for d-wave superconductors, we analyze the nonequilibrium relaxation dynamics of the laser pulse excited sample within the scenario of a two-temperature model. The main features reported in the trARPES technique may be understood within this phenomenological picture. The momentum dependencies of the excited quasiparticle density and the relaxation rate are associated with the dynamics of the nodal d-wave superconducting gap, and the fluence dependence of the relaxation rate is related to the recombination process of quasiparticles into Cooper pairs.
Persistent Identifierhttp://hdl.handle.net/10722/199199
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, Yen_US
dc.contributor.authorZhang, Fen_US
dc.date.accessioned2014-07-22T01:07:43Z-
dc.date.available2014-07-22T01:07:43Z-
dc.date.issued2014en_US
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2014, v. 89 n. 9, article no. 094519en_US
dc.identifier.urihttp://hdl.handle.net/10722/199199-
dc.description.abstractMotivated by recent development in time-resolved angle-resolved photoemission spectroscopy (trARPES) for d-wave superconductors, we analyze the nonequilibrium relaxation dynamics of the laser pulse excited sample within the scenario of a two-temperature model. The main features reported in the trARPES technique may be understood within this phenomenological picture. The momentum dependencies of the excited quasiparticle density and the relaxation rate are associated with the dynamics of the nodal d-wave superconducting gap, and the fluence dependence of the relaxation rate is related to the recombination process of quasiparticles into Cooper pairs.en_US
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_US
dc.relation.ispartofPhysical Review B (Condensed Matter and Materials Physics)en_US
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleMomentum-resolved Electronic Relaxation Dynamics in D-wave Superconductorsen_US
dc.typeArticleen_US
dc.identifier.emailWang, Y: yongwang@hku.hken_US
dc.identifier.emailZhang, F: fuchun@hkucc.hku.hken_US
dc.identifier.authorityZhang, F=rp00840en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.89.094519en_US
dc.identifier.hkuros230423en_US
dc.identifier.volume89en_US
dc.identifier.spage094519-1en_US
dc.identifier.epage094519-7en_US
dc.identifier.isiWOS:000333324100002-
dc.publisher.placeUSAen_US

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