Observation of a new excitation in the mixed-valent state of YbInCu_4

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dc.creatorGarner, S. R.
dc.creatorRodriguez, Y. W.
dc.creatorSchlesinger, Z.
dc.creatorBucher, B.
dc.creatorFisk, Z.
dc.creatorSarrao, J. L.
dc.date1999-10-29
dc.date.accessioned2026-07-07T03:14:55Z
dc.date.available2026-07-07T03:14:55Z
dc.descriptionInfrared measurements are used to obtain conductivity as a function of temperature and frequency in YbInCu_4, which exhibits an isostructural transition to a mixed-valent state at T_v \simeq 42 K. In addition to a gradual loss of spectral weight with decreasing temperature extending up to 1.5 eV, sharp resonances appear in the mixed-valent state at 0 and 0.25 eV . These features may be key to understanding both YbInCu_4 and the nature of the mixed-valent Kondo state.
dc.description4 pages, 3 postscript figures
dc.identifierhttps://arxiv.org/abs/cond-mat/9910485
dc.identifierhttp://arxiv.org/abs/cond-mat/9910485
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/29860
dc.subjectStrongly Correlated Electrons
dc.titleObservation of a new excitation in the mixed-valent state of YbInCu_4
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