Theory of optical conductivity in detwinned YBa$_2$Cu$_3$O$_{y}$

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dc.creatorZhou, T.
dc.creatorLi, Jian-Xin
dc.creatorWang, Z. D.
dc.date2006-08-09
dc.date.accessioned2026-07-07T07:19:36Z
dc.date.available2026-07-07T07:19:36Z
dc.descriptionWe study theoretically the chain and in-plane optical conductivities of detwinned YBa$_2$Cu$_3$O$_{y}$. We elaborate that the chain is superconducting for $y>6.67$ while insulating for $y<6.67$ due to the competition between the plane-chain coupling and the antiferromagnetic order, corresponding to a superconductor-insulator transition. Stemming also from the coupling between the plane and chain, a new peak emerges at a low frequency in the in-plane spectra in the superconducting state, while it disappears in the normal state. Our scenario accounts satisfactorily for very recent experiments.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0608207
dc.identifierhttp://arxiv.org/abs/cond-mat/0608207
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/114685
dc.subjectSuperconductivity
dc.titleTheory of optical conductivity in detwinned YBa$_2$Cu$_3$O$_{y}$
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