Localization and decay of correlations for a pinned lattice free field in dimension two

被引:7
|
作者
Bolthausen, E [1 ]
Brydges, D [1 ]
机构
[1] Univ Zurich, Dept Math, CH-8057 Zurich, Switzerland
关键词
reflection positivity; harmonic crystal;
D O I
10.1214/lnms/1215090066
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
We prove that the two-dimensional harmonic crystal with a weak local pinning to a wall has finite variance and exponentially decaying correlations, regardless how weak the pinning is. The proof is based on an improved pressure estimate and an application of reflection positivity.
引用
收藏
页码:134 / 149
页数:16
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