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16 papers · 2 filters
Manifestly invariant actions for harmonic self-dual gauge theory
Olaf Lechtenfeld, Boris Zupnik
We discuss alternative descriptions of four-dimensional self-dual Yang-Mills fields in harmonic space with additional commuting spinor coordinates. In particular, the linear analyt…
AdS/CFT correspondence and coincident D-6-branes
Sergei V. Ketov
A relation between confinement and Maldacena conjecture is briefly discussed. The gauge symmetry enhancement for two coincident D-6-branes is analyzed from the viewpoint of the hyp…
Born-Infeld-Goldstone superfield actions for gauge-fixed D-5- and D-3-branes in 6d
Sergei V. Ketov
The supersymmetric Born-Infeld actions describing gauge-fixed D-5- and D-3-branes in ambient six-dimensional (6d) spacetime are constructed in superspace. A new 6d action is the (1…
D=4, N=1 Supersymmetric Henneaux-Knaepen Models
Friedemann Brandt, Ulrich Theis
We construct N=1 supersymmetric versions of four-dimensional Freedman-Townsend models and generalizations thereof found recently by Henneaux and Knaepen, with couplings between 1-f…
On minimal coupling of the ABC-superparticle to supergravity background
A. V. Galajinsky, D. M. Gitman
By rigorous application of the Hamiltonian methods we show that the ABC-formulation of the Siegel superparticle admits consistent minimal coupling to external supergravity. The con…
A manifestly N=2 supersymmetric Born-Infeld action
Sergei V. Ketov
A manifestly N=2 supersymmetric completion of the four-dimensional Nambu-Goto-Born-Infeld action, which is self-dual with respect to electric-magnetic duality, is constructed in te…