Calculation of reduced density matrices from correlation functions

被引：809

作者：

Peschel, I ^{[1
]}

机构：

[1] Free Univ Berlin, Fachbereich Phys, D-14195 Berlin, Germany

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 2003年 / 36卷 / 14期

关键词：

D O I：

10.1088/0305-4470/36/14/101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

It is shown that for solvable fermionic and bosonic lattice systems, the reduced density matrices can be determined from the properties of the correlation functions. This provides the simplest way to these quantities which are used in the density-matrix renormalization group method.

引用

页码：L205 / L208

页数：4

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