Anomalous scattering rate and microwave absorption in $Bi_{2}Sr_{2}CaCu_{2}O_{8+δ}$ and $YBa_{2}Cu_{3}O_{7-δ}$

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dc.creatorKusko, C.
dc.creatorZhai, Z.
dc.creatorMarkiewicz, R. S.
dc.creatorSridhar, S.
dc.date2001-02-15
dc.date.accessioned2026-07-07T02:40:24Z
dc.date.available2026-07-07T02:40:24Z
dc.descriptionWe determine the scattering rate from microwave measurements for an optimally doped Bi-2212 single crystal, using a simple two fluid model with a d-wave symmetry order parameter. In the superconducting state, the calculated scattering rate is three orders of magnitude smaller than that determined from ARPES experiments. A similar anomalously large decrease in the scattering rate is also required to explain the data within a gap-quasiparticle scenario for other HTS, such as $YBa_{2}Cu_{3}O_{7-δ}$. The results suggest that the assumption of normal excitations vanishing at low $T$ is invalid and an additional charge mode is responsible for the microwave absorption.
dc.description7 pages, 2 figures, Presented at International Workshop on HTS in High Frequency Fields, Capri, May 2000
dc.identifierhttps://arxiv.org/abs/cond-mat/0102288
dc.identifierhttp://arxiv.org/abs/cond-mat/0102288
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/17370
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleAnomalous scattering rate and microwave absorption in $Bi_{2}Sr_{2}CaCu_{2}O_{8+δ}$ and $YBa_{2}Cu_{3}O_{7-δ}$
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