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9 papers · 2 filters
Field theory of anyons in the lowest Landau level
T. H. Hansson, J. M. Leinaas, S. Viefers
We construct a field theory for anyons in the lowest Landau level starting from the -particle description, and discuss the connection to the full field theory of anyons defined…
The Heavy Quark Potential in Two-Dimentional QCD with Adjoint Matter
T. H. Hansson, Rodanthy Tzani
Using a loop formulation approach of QCD, we study the potential between two heavy quarks in the presence of adjoint scalar fields, and demonstrate how 't Hooft's planar rule i…
Hamiltonian BRST Quantization of the Conformal String
H. Gustafsson, U. Lindström, P. Saltsidis +2
We present a new formulation of the tensionless string () where the space-time conformal symmetry is manifest. Using a Hamiltonian BRST scheme we quantize this {\em Conformal…
A Coherent State Path Integral for Anyons
J. Grundberg, T. H. Hansson
We derive an coherent state path integral formula for a system of two one-dimensional anyons in a harmonic potential. By a change of variables we transform this integral…
The QCD Trace Anomaly as a Vacuum Effect (The vacuum is a medium is the message!)
J. Grundberg, T. H. Hansson
We use arguments taken from the electrodynamics of media to deduce the QCD trace anomaly from the expression for the vacuum energy in the presence of an external color magnetic fie…
SL(2,R) Yang-Mills theory on a circle
I. Bengtsson, J. Hallin
The kinematics of SL(2,R) Yang-Mills theory on a circle is considered, for reasons that are spelled out. The gauge transformations exhibit hyperbolic fixed points, and this results…