NEW WAVE-FUNCTIONS FOR STRONGLY CORRELATED FERMIONS AND THEIR DETERMINANTAL REPRESENTATION

被引：1
|
作者：
BOUCHAUD, JP
LHUILLIER, C
机构：
[1] Lab de Spectroscopie Hertzienne de, l'ENS, France
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1988年 / 153卷 / 02期
关键词：
Helium;
D O I：
10.1016/0921-4534(88)90225-0
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We show that any fixed number of fermions (Jastrow projected or not) BCS wave functions can be represented as determinants. This is important for their numerical investigation, with applications to liquid He3 and Hubbard's model. We also propose a new type of wave function, describing a 'mixed' state composed of paired and unpaired fermions. The physical properties of such a state are tentatively discussed.
引用
收藏
页码：1169 / 1170
页数：2
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