Time-reversal symmetry breaking by a $(d+id)$ density-wave state in underdoped cuprate superconductors

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dc.creatorTewari, Sumanta
dc.creatorZhang, Chuanwei
dc.creatorYakovenko, Victor M.
dc.creatorSarma, S. Das
dc.date2007-11-15
dc.date2008-06-04
dc.date.accessioned2026-07-07T09:42:18Z
dc.date.available2026-07-07T09:42:18Z
dc.descriptionIt was proposed that the $id_{x^2-y^2}$ density-wave state (DDW) may be responsible for the pseudogap behavior in the underdoped cuprates. Here we show that the admixture of a small $d_{xy}$ component to the DDW state breaks the symmetry between the counter-propagating orbital currents of the DDW state and, thus, violates the macroscopic time-reversal symmetry. This symmetry breaking results in a non-zero polar Kerr effect, which has recently been observed in the pseudogap phase.
dc.description4 pages, 3 eps figures; minor typos corrected, references updated, new title as suggested by the PRL editor; references updated, final version as published in PRL
dc.identifierhttps://arxiv.org/abs/0711.2329
dc.identifierhttp://arxiv.org/abs/0711.2329
dc.identifierPhys. Rev. Lett. 100, 217004 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.217004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/162136
dc.subjectStrongly Correlated Electrons
dc.titleTime-reversal symmetry breaking by a $(d+id)$ density-wave state in underdoped cuprate superconductors
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