Renormalization group theory of nematic ordering in d-wave superconductors

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dc.creatorHuh, Yejin
dc.creatorSachdev, Subir
dc.date2008-06-01
dc.date.accessioned2026-07-07T09:56:09Z
dc.date.available2026-07-07T09:56:09Z
dc.descriptionWe examine the quantum theory of the spontaneous breaking of lattice rotation symmetry in d-wave superconductors on the square lattice. This is described by a field theory of an Ising nematic order parameter coupled to the gapless fermionic quasiparticles. We determine the structure of the renormalization group to all orders in a 1/N_f expansion, where N_f is the number of fermion spin components. Asymptotically exact results are obtained for the quantum critical theory in which, as in the large N_f theory, the nematic order has a large anomalous dimension, and the fermion spectral functions are highly anisotropic.
dc.description17 pages, 8 figures
dc.identifierhttps://arxiv.org/abs/0806.0002
dc.identifierhttp://arxiv.org/abs/0806.0002
dc.identifierPhysical Review B 78, 064512 (2008)
dc.identifierdoi:10.1103/PhysRevB.78.064512
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/166877
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleRenormalization group theory of nematic ordering in d-wave superconductors
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