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ID: 204949.0, MPI für Gravitationsphysik / Quantum Gravity and Unified Theories
Less is More: Non-renormalization Theorems from Lower Dimensional Superspace
Authors:Guralnik, Zachary; Kovacs, Stefano; Kulik, Bogdan
Language:English
Title of Journal:International Journal of Modern Physics A
Volume (in Journal):20
Issue / Number:19
Start Page:4546
End Page:4553
Name of Conference/Meeting:8th Workshop on Non-perturbative QCD
Place of Conference/Meeting:Paris
(Start) Date of Conference/Meeting
 (YYYY-MM-DD):
2004-06-07
End Date of Conference/Meeting 
 (YYYY-MM-DD):
2004-06-11
Review Status:not specified
Audience:Not Specified
Abstract / Description:We discuss a new class of non-renormalization theorems in N=4 and N=2 Super-Yang-Mills theory, obtained by using a superspace which makes a lower dimensional subgroup of the full supersymmetry manifest. Certain Wilson loops (and Wilson lines) belong to the chiral ring of the lower dimensional supersymmetry algebra, and their expectation values can be computed exactly.
External Publication Status:published
Document Type:Conference-Paper
Communicated by:Hermann Nicolai
Affiliations:MPI für Gravitationsphysik/Quantum Gravity and Unified Theories
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