FISHER RENORMALIZATION AND CONFORMAL FIELD-THEORY

被引：0
|
作者：
MANSFIELD, P [1 ]
STINCHCOMBE, RB [1 ]
机构：
[1] UNIV OXFORD,DEPT THEORET PHYS,OXFORD OX1 3NP,ENGLAND
来源：
PHYSICA A | 1991年 / 177卷 / 1-3期
关键词：
D O I：
10.1016/0378-4371(91)90144-2
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The "Fisher renormalisation" of critical exponents, caused by addition of constrained annealing "hidden variables" to a system, is investigated within conformal field theory. The standard unitary SU (2) conformal field theory does not allow for Fisher renormalisation, and extended unitary conformal field theories are instead investigated. These are provided by explicit constructions based on coupling the energy operator to new degrees of freedom in a conformally invariant way. They lead to new families of generalised model including Fisher-renormalised exponents or new renormalisations.
引用
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页码：131 / 138
页数：8
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