Exact lattice supersymmetry

被引：119

作者：

Catterall, Simon ^{[1
]}

Kaplan, David B. ^{[2
]}

Uensal, Mithat ^{[3
]}

机构：

[1] Syracuse Univ, Dept Phys, Syracuse, NY 13244 USA

[2] Univ Washington, Inst Nucl Theory, Seattle, WA 98195 USA

[3] Stanford Univ, SLAC & Phys Dept, Stanford, CA 94305 USA

来源：

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS | 2009年 / 484卷 / 3-4期

关键词：

EXACT EXTENDED SUPERSYMMETRY; YANG-MILLS THEORIES; TWISTED SUPERSPACE; FERMIONS; BREAKING; FLAVOR; MODEL;

D O I：

10.1016/j.physrep.2009.09.001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We provide an introduction to recent lattice formulations of supersymmetric theories which are invariant under one or more real supersymmetries at non-zero lattice spacing. These include the especially interesting case of N = 4 SYM in four dimensions. We discuss approaches based both on twisted supersymmetry and on orbifold-deconstruction techniques and show their equivalence in the case of gauge theories. The presence of an exact supersymmetry reduces and in some cases eliminates the need for fine-tuning to achieve a continuum limit invariant under the full supersymmetry of the target theory. We discuss open problems. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：71 / 130

页数：60

共 148 条

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