Stability of nodal quasi-particles in superconductors with coexisting orders

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dc.creatorBerg, E.
dc.creatorChen, C-C.
dc.creatorKivelson, S. A.
dc.date2007-09-30
dc.date2008-01-29
dc.date.accessioned2026-07-07T08:56:38Z
dc.date.available2026-07-07T08:56:38Z
dc.descriptionWe establish a condition for the perturbative stability of zero energy nodal points in the quasi-particle spectrum of superconductors in the presence of coexisting \textit{commensurate} orders. The nodes are found to be stable if the Hamiltonian is invariant under time reversal followed by a lattice translation. The principle is demonstrated with a few examples. Some experimental implications of various types of assumed order are discussed in the context of the cuprate superconductors.
dc.description5 pages, 3 figures, a few references and Journal-ref added
dc.identifierhttps://arxiv.org/abs/0710.0113
dc.identifierhttp://arxiv.org/abs/0710.0113
dc.identifierPhys. Rev. Lett. 100, 027003 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.027003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/146684
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleStability of nodal quasi-particles in superconductors with coexisting orders
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