BRST symmetry: Boundary conditions and edge states in QED

被引：4

作者：

Acharyya, Nirmalendu ^{[1
]}

Balachandran, A. P. ^{[2
,3
]}

Diez, Veronica Errasti ^{[4
]}

Subramanian, P. N. Bala ^{[5
]}

Vaidya, Sachindeo ^{[5
]}

机构：

[1] Univ Libre Bruxelles, Opt Nonlineaire Theor, CP 231, Brussels, Belgium

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

[3] Inst Math Sci, CIT Campus, Madras 600113, Tamil Nadu, India

[4] McGill Univ, Dept Phys, 3600 Univ St, Montreal, PQ H3A 2T8, Canada

[5] Indian Inst Sci, Ctr High Energy Phys, Bangalore 560012, Karnataka, India

来源：

PHYSICAL REVIEW D | 2016年 / 94卷 / 08期

关键词：

GLOBAL THEORY;

D O I：

10.1103/PhysRevD.94.085026

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In manifolds with spatial boundary, BRST formalism can be used to quantize gauge theories. We show that, in a U(1) gauge theory, only a subset of all the boundary conditions allowed by the self-adjointness of the Hamiltonian preserves BRST symmetry. Hence, the theory can be quantized using BRST formalism only when that subset of boundary conditions is considered. We also show that for such boundary conditions, there exist fermionic states which are localized near the boundary.

引用

页数：9

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