Microwave Spectroscopy of PrOs_4Sb_12: Josephson-Coupled Two-Band Superconductivity and Itinerant f Electrons

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dc.creatorBroun, D. M.
dc.creatorTurner, P. J.
dc.creatorMullins, G. K.
dc.creatorSheehy, D. E.
dc.creatorZheng, X. G.
dc.creatorKim, S. K.
dc.creatorFrederick, N. A.
dc.creatorMaple, M. B.
dc.creatorHardy, W. N.
dc.creatorBonn, D. A.
dc.date2003-10-26
dc.date.accessioned2026-07-07T02:54:25Z
dc.date.available2026-07-07T02:54:25Z
dc.descriptionWe report microwave surface impedance measurements made on a single crystal of PrOs_4Sb_12 across the frequency range 0.5 to 21 GHz. The penetration depth data provide clear thermodynamic evidence for superconductivity arising in two bands coupled by Josephson pair-tunneling, indicating two order parameters with the same symmetry. Detailed conductivity spectra obtained using high-resolution bolometry confirm this picture and extend it, revealing the itinerant nature of the Pr f electrons through the observation of quasiparticles with heavily renormalized mass.
dc.description5 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0310613
dc.identifierhttp://arxiv.org/abs/cond-mat/0310613
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/22541
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleMicrowave Spectroscopy of PrOs_4Sb_12: Josephson-Coupled Two-Band Superconductivity and Itinerant f Electrons
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