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Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 84: Gittereichtheorie

T 84.5: Vortrag

Mittwoch, 29. März 2017, 17:45–18:00, VSH 11

Ward identities in N=1 supersymmetric SU(3) Yang-Mills theory on the lattice — •Sajid Ali1, Gernot Münster1, Istavn Montvay2, Georg Bergner4, Pietro Giudice1, Henning Gerber1, and Stefano Piemonte31Institut für Theoretische Physik, Westfälische Wilhelms-Universität, Wilhelm-Klemm-Str. 9 D-48149 Münster. — 2Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, D-22603 Hamburg. — 3Universität Regensburg, Institute for Theoretical Physics, D-93040 Regensburg. — 4Theoretisch-Physikalisches Institut Friedrich-Schiller-Universität Jena Max-Wien-Platz 1

The introduction of space-time lattice as a regulator of path integral breaks symmetries associated with continuous space-time i.e. Poincare invariance and supersymmetry. Due to non-zero bare gluino mass in the supersymmetric Yang-Mills theory the chiral symmetry is also broken. Provided that there are no SUSY-anomalies the lattice form of Ward identities can be used, by imposing that their continuum form should be recovered when removing the lattice regulator, to obtain chiral limit where the theory is characterized by massless gluinos.

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