Symmetry-breaking Fermi surface deformations from central interactions in two dimensions

被引：26

作者：

Quintanilla, Jorge ^{[1
]}

Haque, Masudul ^{[2
]}

Schofield, A. J. ^{[3
]}

机构：

[1] Rutherford Appleton Lab, STFC, ISIS Spallat Facil, Didcot OX11 0QX, Oxon, England

[2] Max Planck Inst Phys Komplexer Syst, Dresden, Germany

[3] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England

来源：

PHYSICAL REVIEW B | 2008年 / 78卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.78.035131

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present a mean-field theory of the Pomeranchuk instability in two dimensions, starting from a generic central interaction potential described in terms of a few microscopic parameters. For a significant range of parameters, the instability is found to be pre-empted by a first-order quantum phase transition. We provide the ground-state phase diagram in terms of our generic parameters.

引用

页数：8

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