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Francesco Knechtli
(University of Wuppertal)
18/06/2010, 16:40
Applications beyond QCD
We study non-perturbatively five-dimensional gauge theories by means of
the mean-field expansion on the lattice. On the anisotropic torus we show
that a continuum limit can be defined where the anisotropy is a relevant
parameter. The analysis of the static force supports the fact that the
four-dimensional hyperplanes decouple from each other in the continuum limit.
Clear signs of...
Richard Galvez
(Syracuse University)
18/06/2010, 17:00
Applications beyond QCD
We report on the restoration of center symmetry in two flavor large N Yang Mills lattice field theory with dynamical
fermions in the adjoint representation. Numerical evidence is given to show correlators of tend to zero in the large N limit. Wilson fermions were employed on a sized lattice for a variety of bare quark masses and coupling strength. We argue that this model may...
Biagio Lucini
(Swansea University)
18/06/2010, 17:20
Applications beyond QCD
Orientifold Planar Equivalence is a powerful analytical tool that allows us to relate certain observables (among which, meson masses) in SU( ) gauge theory with one (anti-)symmetric Dirac flavour and SU( ) SUSY in the limit in which the number of colours goes to infinity. This enables us in principle to transcribe SUSY results to QCD, provided that the latter is close (in...
Joel Giedt
(RPI)
18/06/2010, 17:40
Applications beyond QCD
We describe our studies of the lattice Wess-Zumino model with overlap type operators, using GPUs. We have checked that at one loop there is a nonrenormalization of the superpotential, and that in the simulations the simplest Ward identity of the continuum theory is satisfied to a good approximation at weak coupling.
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