Lattice four-dimensional N=4 SYM is practical

Details Lattice four-dimensional N=4 SYM is practical Lattice four-dimensional N=4 SYM is practical

2008-06-02

arxiv.org/abs/0806.0013v1

Phys.Rev.D78:081701,2008

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages

Scientific paper

10.1103/PhysRevD.78.081701

We show that nonperturbative lattice studies of four-dimensional N=4 Super-Yang-Mills are within reach. We use Ginsparg-Wilson fermions to avoid gluino masses and an exact implementation of the (chiral) $R$-symmetry, which greatly limits the number of counterterms that must be fine-tuned. Only bosonic operators require fine tuning, so all tunings can be done ``offline'' by a Ferrenberg-Swendsen type reweighting. We show what measurables can be used to perform the tuning.

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