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27 papers · 2 filters
Dynamical AdS strings across horizons
Takaaki Ishii, Keiju Murata
We examine the nonlinear classical dynamics of a fundamental string in anti-de Sitter spacetime. The string is dual to the flux tube between an external quark-antiquark pair in $\m…
Quiver W-algebras
Taro Kimura, Vasily Pestun
For a quiver with weighted arrows we define gauge-theory K-theoretic W-algebra generalizing the definition of Shiraishi et al., and Frenkel and Reshetikhin. In particular, we show…
A supersymmetric Skyrme model
Sven Bjarke Gudnason, Muneto Nitta, Shin Sasaki
Construction of a supersymmetric extension of the Skyrme term was a long-standing problem because of the auxiliary field problem; that is, the auxiliary field may propagate and can…
Semilocal Fractional Instantons
Minoru Eto, Muneto Nitta
We find semi-local fractional instantons of codimension four in Abelian and non-Abelian gauge theories coupled with scalar fields and the corresponding and Gra…
Axion electrodynamics and nonrelativistic photons in nuclear and quark matter
Naoki Yamamoto
We argue that the effective theory for electromagnetic fields in spatially varying meson condensations in dense nuclear and quark matter is given by the axion electrodynamics. We s…
Semi-doubled Sigma Models for Five-branes
Tetsuji Kimura
We study two-dimensional gauge theory and its dualized system in terms of complex (linear) superfields and their alternatives. Although this technique itself is no…