Four-points two-loop scattering amplitude in ABJM theory

被引：0
作者：
Bianchi, M. S. [1 ,2 ]
Leoni, M. [1 ,2 ]
Mauri, A. [3 ,4 ]
Penati, S. [1 ,2 ]
Santambrogio, A. [4 ]
机构：
[1] Univ Milano Bicocca, Dipartimento Fis, Piazza Sci 3, I-20126 Milan, Italy
[2] Ist Nazl Fis Nucl, Sez Milano Bicocca, I-20126 Milan, Italy
[3] Univ Milan, Dipartimento Fis, I-20126 Milan, Italy
[4] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy
来源：
FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS | 2012年 / 60卷 / 7-8期
关键词：
AdS; CFT; Chern-Simons matter theories; scattering amplitudes; Wilson loops;
D O I：
10.1002/prop.201200036
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Within the ?? = 2 superspace perturbative formulation of ABJM theory, we derive the set of scalar Feynman integrals describing the four-point scattering amplitude of chiral matter fields. Using dimensional regularization (D = 3 - 2?), we evaluate the integrals on-shell and we compare the result with that of a Wilson-loop computed in a light-like tetragon contour: we find matching results between both calculations after identifying the kinematical invariants. We discuss further implications and open questions. This work is a contribution to the proceedings of the XVIIth European Workshop on String Theory 2011 held in Padua, Italy, on September 2011.
引用
收藏
页码：921 / 927
页数：7
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