Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2007-09-05
PoSLAT2007:271,2007
Physics
High Energy Physics
High Energy Physics - Lattice
7 pages, 3 figures, Presented at the XXV International Symposium on Lattice Field Theory, July 30 - August 4 2007, Regensburg,
Scientific paper
A lattice formulation of a three dimensional super Yang-Mills model with a twisted N=4 supersymmetry is proposed. The extended supersymmetry algebra of all eight supercharges is fully and exactly realized on the lattice with a modified "Leibniz rule". The formulation we employ here is a three dimensional extension of the manifestly gauge covariant method which was developed in our previous proposal of Dirac-K\"ahler twisted N=2 super Yang-Mills on a two dimensional lattice. The twisted N=4 supersymmetry algebra is geometrically realized on a three dimensional lattice with link supercharges and the use of "shifted" (anti-)commutators. A possible solution to the recent critiques on the link formulation will be discussed.
D'Adda Alessandro
Kanamori Issaku
Kawamoto Noboru
Nagata Kazuhiro
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