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Scale Invariance of Dirac Condition in Type 0 String Approach to Gauge Theory
Ian I. Kogan, Gloria Luzon
In this letter we shall discuss a description of non-supersymmetric four-dimensional Yang-Mills theory based on Type 0 strings recently proposed by Klebanov and Tseytlin. The three…
Unstable Bundles in Quantum Field Theory
M. Asorey, F. Falceto, G. Luzon
The relation between connections on 2-dimensional manifolds and holomorphic bundles provides a new perspective on the role of classical gauge fields in quantum field theory in two,…
D-Instantons on the boundary
Ian I. Kogan, Gloria Luzon
The Maldacena's proposal has established an intriguing connection between string theory in AdS spaces and gauge theory. In this paper we study the effects of adding D(-1)-branes to…
Nodes, Monopoles and Confinement in 2+1-Dimensional Gauge Theories
M. Asorey, F. Falceto, J. L. Lopez +1
In the presence of Chern-Simons interactions the wave functionals of physical states in 2+1-dimensional gauge theories vanish at anumber of nodal points. We show that those nodes a…
Universalty and Ultraviolet Regularizations of Chern-Simons Theory
M. Asorey, F. Falceto, J. L. Lopez +1
The universality of radiative corrections to the gauge coupling constant of Chern-Simons theory is studied in a very general regularization scheme. We show that the effective c…
Renormalization Ambiguities in Chern-Simons Theory
M. Asorey, F. Falceto, J. L. Lopez +1
We introduce a new family of gauge invariant regularizations of Chern-Simons theories which generate one-loop renormalizations of the coupling constant of the form …