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hep-th2006
Gauge Theories for Target Spaces with Degenerate Metrics
N. A. Gromov
Some gauge theories for fiber target spaces with degenerate metrics are regarded. The gauge theory with Galilei group G(2) is obtained as a contraction of SO(2) gauge theory with H…
hep-th2006★ 44 cited
Asymptotic Bethe Ansatz from String Sigma Model on S^3 x R
Nikolay Gromov, Vladimir Kazakov
We derive the asymptotic Bethe ansatz (AFS equations) for the string on S^3 x R sector of AdS_5 x S^5 from the integrable nonhomogeneous dynamical spin chain for the string sigma m…
hep-th2006★ 61 cited
Strings as Multi-Particle States of Quantum Sigma-Models
Nikolay Gromov, Vladimir Kazakov, Kazuhiro Sakai +1
We study the quantum Bethe ansatz equations in the O(2n) sigma-model for hysical particles on a circle, with the interaction given by the Zamolodchikovs' S-matrix, in view of its a…