EXACT C = 1 BOUNDARY CONFORMAL FIELD-THEORIES

被引：37
|
作者：
CALLAN, CG [1 ]
KLEBANOV, IR [1 ]
机构：
[1] PRINCETON UNIV,DEPT PHYS,PRINCETON,NJ 08544
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 13期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1103/PhysRevLett.72.1968
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a solution of the problem of a free massless scalar field on the half line interacting through a sinusoidal potential on the boundary. For a critical value of the period, this system is a conformal field theory with a nontrivial and explicitly calculable S matrix for scattering from the boundary. It describes the critical behavior of a number of condensed matter systems, including dissipative quantum mechanics and of barriers in ''quantum wires.''
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页码：1968 / 1971
页数：4
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