Fermi Surface Renormalization in Two Spatial Dimensions
arXiv:cond-mat/0203376 · doi:10.1209/epl/i2003-00223-5
Abstract
We discuss the renormalization induced by interactions of a two-dimensional truncated Fermi surface (FS) model.Using a field theoretical renormalization group method we calculate the critical renormalized physical chemical potential. We show that it either vanishes or approaches a non-zero value. We argue that the vanishing of the chemical potential is indicative of a further truncation of the FS we started with and might well represent an insulating spin liquid phase.
Laboratorio de Supercondutividade Centro Intl.de Fis.da Materia Condensada-UnB
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- Field Theory Renormalization Group: The Tomonaga-Luttinger Model Revisited
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