Duality for coset models
نویسندگان
چکیده
منابع مشابه
T-Duality for Coset Models
We construct dual Lagrangians for G/H models in two space-time dimensions for arbitrary Lie groups G and H ⊂ G. Our approach does not require choosing coordinates on G/H, and allows for a natural generalization to Lie-Poisson duality. For the case where the target metric on G/H is induced from the invariant metric on G, the dual system is a gauged Higgs model, with a nonconstant metric and a co...
متن کاملDuality in deformed coset fermionic models
We study the SU(2)k/U(1)-parafermion model perturbed by its first thermal operator. By formulating the theory in terms of a (perturbed) fermionic coset model we show that the model is equivalent to interacting WZW fields modulo free fields. In this scheme, the order and disorder operators of the Zk parafermion theory are constructed as gauge invariant composites. We find that the theory present...
متن کاملGeneralized Abelian S-duality and coset constructions
Electric-magnetic duality and higher dimensional analogues are obtained as symmetries in generalized coset constructions, similar to the axial-vector duality of twodimensional coset models described by Roček and Verlinde. We also study global aspects of duality between p-forms and (d−p−2)-forms in d-manifolds. In particular, the modular duality anomaly is governed by the Euler character as in f...
متن کاملHeterotic Coset Models
A description is given of how to construct (0, 2) supersymmetric conformal field theories as coset models. These models may be used as non–trivial backgrounds for Heterotic String Theory. They are realised as a combination of an anomalously gauged Wess–Zumino–Witten model, right–moving supersymmetric fermions, and left–moving current algebra fermions. Requiring the sum of the gauge anomalies fr...
متن کاملThe Poincaré coset models ISO(d-1,1)/IR and T-duality
We generalize a family of Lagrangians with values in the Poincaré group ISO(d − 1, 1), which contain the description of spinning strings in flat (d− 1) + 1 dimensions, by including symmetric terms in the world-sheet coordinates. Then, by promoting a subgroup H ∼ IR, n ≤ d, which acts invariantly from the left on the element of ISO(d − 1, 1), to a gauge symmetry of the action, we obtain a family...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nuclear Physics B
سال: 1999
ISSN: 0550-3213
DOI: 10.1016/s0550-3213(99)00397-1