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Bernd Berg
(Florida State University)
17/06/2010, 16:40
Theoretical developments
As long as a Higgs boson is not observed, the design of alternative mechanisms for electroweak symmetry breaking remains of interest. The question addressed here is whether there are possibly non-perturbative mechanisms, which deconfine SU(2) at zero temperature and generate massive vector bosons. Results for a model with a mixing interaction of SU(2) and U(1) gauge fields, which is invariant...
simon catterall
(Syracuse University)
17/06/2010, 17:00
Theoretical developments
I review the connection between Chern Simons theory and three dimensional Einstein-Hilbert gravity.
I point out that both the moduli space and topological observables in the gravitational theory are shared with a twisted
super Yang-Mills theory. The latter possesses a lattice formulation which preserves many features of this
topological structure. We thus conjecture that the lattice theory...
Marco Bochicchio
(INFN and Scuola Normale Superiore)
17/06/2010, 17:20
Theoretical developments
We analyze the numerical findings about the lattice static inter-quark potential of the
SU(N) Yang-Mills theory in the light of Luscher-Weisz effective action on the string-theory
side and of a recently proposed large-N beta function on the field-theory side.
On the field-theory side we explain how the large-N beta function is obtained via
a certain version of the loop equation of the...
Herbert Neuberger
(Rutgers)
17/06/2010, 17:40
Theoretical developments
The generating function for the characters of the N totally antisymmetric representations of a Wilson-loop matrix in SU(N) gauge theory is the
partition function for fermions living on the closed curve making up the
loop. This has an obvious generalization. The talk will present results
about the case of surface operators
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