The symmetries of fermion fluids at low dimensions

被引：9

作者：

Anderson, PW ^{[1
]}

Haldane, FDM ^{[1
]}

机构：

[1] Princeton Univ, Joseph Henry Labs Phys, Princeton, NJ 08544 USA

来源：

JOURNAL OF STATISTICAL PHYSICS | 2001年 / 103卷 / 3-4期

关键词：

interacting Fermi systems; Fermi liquid theory; symmetries of Fermi systems;

D O I：

10.1023/A:1010324912515

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We point out that the quasiparticle spectrum of the Landau Fermi liquid theory has an extra Z(2) syymmetry. local in momentum space, which is not generic to the Hamiltonian with interactions. Thus the Fel mi liquid is in this sense a (quantum) zero-temperature critical point.

引用

页码：425 / 428

页数：4

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