Symmetry breaking boundaries I. General theory

被引：79
|
作者：
Fuchs, J [1 ]
Schweigert, C
机构：
[1] CERN, CH-1211 Geneva 23, Switzerland
[2] ETH Honggerberg, Inst Theoret Phys, CH-8093 Zurich, Switzerland
来源：
NUCLEAR PHYSICS B | 1999年 / 558卷 / 03期
关键词：
boundary conditions; conformal field theory; simple currents; symmetry breaking;
D O I：
10.1016/S0550-3213(99)00406-X
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We study conformally invariant boundary conditions that break part of the bulk symmetries. A general theory is developed for those boundary conditions for which the preserved subalgebra is the fixed algebra under an abelian orbifold group. We explicitly construct the boundary states and reflection coefficients as well as the annulus amplitudes. Integrality of the annulus coefficients is proven in full generality. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：419 / 483
页数：65
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