Fine structure of chiral symmetry breaking in the QED3 theory of underdoped high-Tc superconductors
Babak H. Seradjeh, Igor F. Herbut
DOI 10.1103/PhysRevB.66.184507 · Physical Review B
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Abstract
We study the effects of the leading irrelevant perturbations on chiral symmetry breaking in the effective QED3 theory of d-wave superconductor-insulator transition in underdoped cuprates. For weak symmetry breaking, the effect of a perturbation on energies of various insulating states can be classified according to its engineering dimension in the maximally symmetric theory. Considering the velocity anisotropy, repulsive interactions, and higher-order derivatives we show that the insulating state with the lowest energy is the spin density wave.
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