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Bosonization of fermions coupled to topologically massive gravity
Eduardo Fradkin, Enrique F. Moreno, Fidel A. Schaposnik
We establish a duality between massive fermions coupled to topologically massive gravity (TGM) in space-time dimensions and a purely gravity theory which also will turn out t…
Topological Entanglement Entropy in Chern-Simons Theories and Quantum Hall Fluids
Shiying Dong, Eduardo Fradkin, Robert G. Leigh +1
We compute directly the entanglement entropy of spatial regions in Chern-Simons gauge theories in 2+1 dimensions using surgery. We use these results to determine the universal topo…
Dynamical Domain Wall Defects in 2+1 Dimensions
C. D. Fosco, E. Fradkin, A. Lopez
We study some dynamical properties of a Dirac field in 2+1 dimensions with spacetime dependent domain wall defects. We show that the Callan and Harvey mechanism applies even to the…
Gauge Invariance and Finite Temperature Effective Actions of Chern-Simons Gauge Theories with Fermions
Daniel Cabra, Eduardo Fradkin, Gerardo L. Rossini +1
We discuss the behavior of theories of fermions coupled to Chern-Simons gauge fields with a non-abelian gauge group in three dimensions and at finite temperature. Using non-perturb…
Bosonization of Three Dimensional Non-Abelian Fermion Field Theories
Ninoslav Brali{ć}, Eduardo Fradkin, Virginia Manias +2
We discuss bosonization in three dimensions of an massive Thirring model in the low-energy regime. We find that the bosonized theory is related (but not equal) to Y…
Chern_simons Theory of the Anisotropic Quantum Heisenberg Antiferromagnet on a Square Lattice
Ana Lopez, A. G. Rojo, Eduardo Fradkin
We consider the anisotropic quantum Heisenberg antiferromagnet (with anisotropy ) on a square lattice using a Chern-Simons (or Wigner-Jordan) approach. We show that the Average…