Femtosecond formation of collective modes due to meanfield fluctuations

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dc.creatorMorawetz, K.
dc.creatorLipavský, P.
dc.creatorSchreiber, M.
dc.date2005-06-17
dc.date2005-12-12
dc.date.accessioned2026-07-07T12:16:40Z
dc.date.available2026-07-07T12:16:40Z
dc.descriptionStarting from a quantum kinetic equation including the mean field and a conserving relaxation-time approximation we derive an analytic formula which describes the time dependence of the dielectric function in a plasma created by a short intense laser pulse. This formula reproduces universal features of the formation of collective modes seen in recent experimental data of femtosecond spectroscopy. The presented formula offers a tremendous simplification for the description of the formation of quasiparticle features in interacting systems. Numerical demanding treatments can now be focused on effects beyond these gross features found here to be describable analytically.
dc.description4 pages 3 figures, PRB in press
dc.identifierhttps://arxiv.org/abs/cond-mat/0506443
dc.identifierhttp://arxiv.org/abs/cond-mat/0506443
dc.identifierPhys.Rev.B72:233203,2005
dc.identifierdoi:10.1103/PhysRevB.72.233203
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/211874
dc.subjectStrongly Correlated Electrons
dc.subjectMesoscale and Nanoscale Physics
dc.subjectNuclear Theory
dc.subjectPlasma Physics
dc.titleFemtosecond formation of collective modes due to meanfield fluctuations
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