Adjacent face scattering and stability of the square Fermi surface -: art. no. 165105

被引：6
|
作者：
Syljuåsen, OF [1 ]
Luther, A [1 ]
机构：
[1] NORDITA, DK-2100 Copenhagen, Denmark
来源：
PHYSICAL REVIEW B | 2005年 / 72卷 / 16期
关键词：
D O I：
10.1103/PhysRevB.72.165105
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Interacting electrons with a square Fermi surface are investigated from a bosonic point of view taking into account electron scattering between all faces of the square. Fermion operators are classified according to their dimensions and the stability of the boson fixed-point is investigated. In particular we find, in contrast to previous studies, that the square Fermi surface is unstable to doping in the case of no spin gap and microscopic Hubbard interactions.
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页数：6
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