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4 papers · 2 filters
Superspace WZW Models and Black Holes
Changhyun Ahn, Martin Rocek, Kareljan Schoutens +1
We show how to write an off-shell action for the supersymmetric WZW model in terms of chiral and twisted chiral multiplets. We discuss the supersymme…
The Lie h-Invariant Conformal Field Theories and the Lie h-Invariant Graphs
M. B. Halpern, E. B. Kiritsis, N. A. Obers
We use the Virasoro master equation to study the space of Lie h-invariant conformal field theories, which includes the standard rational conformal field theories as a small subspac…
The supersymmetric sigma model and the geometry of the Weyl-Kac character formula
Orlando Alvarez, I. M. Singer, Paul Windey
Field theoretic and geometric ideas are used to construct a chiral supersymmetric field theory whose ground state is a specified irreducible representation of a centrally extended…
Beyond the Large N Limit: Non-linear W(infinity) as symmetry of the SL(2,R)/U(1) coset model
I. Bakas, E. Kiritsis
We show that the symmetry algebra of the coset model is a non-linear deformation of , characterized by . This is a universal -algebra which lin…