Kinetics of a superconductor excited with a femtosecond optical pulse

Superconducting state dynamics following excitation of a superconductor with a femtosecond optical pulse is studied in terms of a phenomenological Rothwarf and Taylor model. Analytical solutions for various limiting cases are obtained. The model is found to account for the intensity and temperature...

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Veröffentlicht in:	Physical review letters 2005-09, Vol.95 (14), p.147002.1-147002.4, Article 147002
Hauptverfasser:	KABANOV, V. V, DEMSAR, J, MIHAILOVIC, D
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Physics Superconductivity Theory and models of superconducting state
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Beschreibung
Zusammenfassung:	Superconducting state dynamics following excitation of a superconductor with a femtosecond optical pulse is studied in terms of a phenomenological Rothwarf and Taylor model. Analytical solutions for various limiting cases are obtained. The model is found to account for the intensity and temperature dependence of both photoinduced quasiparticle density, as well as pair-breaking and superconducting state recovery dynamics in conventional as well as cuprate superconductors.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.95.147002