Wilson lines as superconformal defects in ABJM theory: a formula for the emitted radiation

被引:51
作者
Bianchi, Lorenzo [1 ]
Griguolo, Luca [2 ,3 ]
Preti, Michelangelo [4 ]
Seminara, Domenico [5 ,6 ]
机构
[1] Univ Hamburg, Inst Theoret Phys, Luruper Chaussee 149, D-22761 Hamburg, Germany
[2] Univ Parma, Dipartimento Fis & Sci Terra, Viale GP Usberti 7-A, I-43100 Parma, Italy
[3] INFN Grp Collegato Parma, Viale GP Usberti 7-A, Parma, Italy
[4] DESY Hamburg, Theory Grp, Notkestr 85, D-22607 Hamburg, Germany
[5] Univ Firenze, Dipartimento Fis, Via G Sansone 1, I-50019 Sesto Fiorentino, Italy
[6] INFN Sez Firenze, Via G Sansone 1, I-50019 Sesto Fiorentino, Italy
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2017年 / 10期
关键词
Chern-Simons Theories; Supersymmetric Gauge Theory; Wilson; 't Hooft and Polyakov loops; YANG-MILLS THEORY; LOOPS;
D O I
10.1007/JHEP10(2017)050
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 operator insertions into 1/2 BPS Wilson loops in N = 6 ABJM theory and investigate their two-point correlators. In this framework, the energy emitted by a heavy moving probe can be exactly obtained from some two-point coefficients of bosonic and fermionic insertions. This allows us to confirm an early proposal [1] for computing the Bremsstrahlung function in terms of certain supersymmetric circular Wilson loops, whose value might be accessible to localization techniques. In the derivation of this result we also elucidate the structure of protected multiplets in the relevant superconformal defect theory and perform an explicit two-loop calculation.
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页数:38
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