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hep-th2021★ 20 cited
Sigma models as Gross-Neveu models
Dmitri Bykov
We review the correspondence between integrable sigma models with complex homogeneous target spaces and chiral bosonic (and possibly mixed bosonic/fermionic) Gross-Neveu models. Ma…
hep-th2021★ 26 cited
Flag manifold sigma models: spin chains and integrable theories
Ian Affleck, Dmitri Bykov, Kyle Wamer
This review is dedicated to two-dimensional sigma models with flag manifold target spaces, which are generalizations of the familiar and Grassmannian models. They natura…