The effect of velocity anisotropy on the antiferromagnetic instability of a d-wave superconductor

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dc.creatorLee, Dominic J.
dc.creatorHerbut, Igor F.
dc.date2002-01-08
dc.date2002-04-24
dc.date.accessioned2026-07-07T12:16:36Z
dc.date.available2026-07-07T12:16:36Z
dc.descriptionWe consider the effective 2+1 dimensional electrodynamics (QED_3) of low-energy quasiparticles coupled to fluctuating vortex loops in the d-wave superconductor, with the velocity anisotropy: v_F not equal to v_Delta. This theory should be relevant to the quantum superconductor-insulator transition in underdoped cuprates. Working in the customary large-N approximation, we find that weak anisotropy is a marginally irrelevant perturbation to the Lorentz invariant QED_3, and that the critical number N_c of Dirac fields below which the theory suffers the antiferromagnetic (chiral) instability stays the same.
dc.identifierhttps://arxiv.org/abs/cond-mat/0201088
dc.identifierhttp://arxiv.org/abs/cond-mat/0201088
dc.identifierPhys.Rev.B66:094512,2002
dc.identifierdoi:10.1103/PhysRevB.66.094512
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/211854
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.subjectHigh Energy Physics - Theory
dc.titleThe effect of velocity anisotropy on the antiferromagnetic instability of a d-wave superconductor
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