Electronic crossover suggested by Raman scattering in overdoped (Y,Ca)Ba2Cu3Oy

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dc.creatorMasui, T.
dc.creatorHiramachi, T.
dc.creatorNagasao, K.
dc.creatorTajima, S.
dc.date2009-01-06
dc.date.accessioned2026-07-07T12:24:53Z
dc.date.available2026-07-07T12:24:53Z
dc.descriptionThe electronic Raman scattering in overdoped (Y,Ca)Ba2Cu3Oy was investigated with changing hole concentration in the superconducting state. It was found that the superconducting responses such as the pair-breaking peaks in the A1g and B1g spectra and the anisotropy of the pair-breaking peak in XX and YY polarizations radically change at around the carrier doping p=0.19. Since both a- and c-axis resistivities strongly suggest the closing of pseudogap at p~0.18, the observed change at p=0.19 in superconducting Raman response is attributed to the electronic crossover due to the collapse of the pseudogap.
dc.description13 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/0901.0620
dc.identifierhttp://arxiv.org/abs/0901.0620
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214459
dc.subjectSuperconductivity
dc.titleElectronic crossover suggested by Raman scattering in overdoped (Y,Ca)Ba2Cu3Oy
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