Magnetic catalysis in AdS4

被引：29
|
作者：
Bolognesi, Stefano [1 ,2 ]
Tong, David [1 ]
机构：
[1] Univ Cambridge, Dept Appl Math & Theoret Phys, Cambridge CB3 9EW, England
[2] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel
来源：
CLASSICAL AND QUANTUM GRAVITY | 2012年 / 29卷 / 19期
基金：
美国国家科学基金会;
关键词：
FLAVOR SYMMETRY-BREAKING; FIELD;
D O I：
10.1088/0264-9381/29/19/194003
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the formation of fermion condensates in anti-de Sitter space. In particular, we describe a novel version of magnetic catalysis that arises for fermions in asymptotically AdS(4) geometries which cap off in the infrared with a hard wall. We show that in the presence of a magnetic field, a <(psi) over bar gamma(5)psi > condensate develops in the bulk, spontaneously breaking CP symmetry. From the perspective of the dual boundary theory, this corresponds to a strongly coupled version of d = 2 + 1 magnetic catalysis.
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收藏
页数：17
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