MAXIMUM-ENTROPY APPROACH TO CRITICAL PHENOMENA IN GROUND-STATES OF FINITE SYSTEMS

被引：22

作者：

ARRACHEA, L

CANOSA, N

PLASTINO, A

PORTESI, M

ROSSIGNOLI, R

机构：

[1] Departamento de Física, Universidad Nacional de la Plata, 1900 La Plata

来源：

PHYSICAL REVIEW A | 1992年 / 45卷 / 10期

关键词：

D O I：

10.1103/PhysRevA.45.7104

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A scheme for detecting signatures of phase transitions associated with pure quantum states, from the knowledge of a limited set of expectation values, is introduced. An accurate prediction of critical regions in ground states of systems with a finite number of particles is obtained.

引用

页码：7104 / 7110

页数：7

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