Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-06-24
JHEP 0208:008,2002
Physics
High Energy Physics
High Energy Physics - Theory
Latex, 23 pages, no figures
Scientific paper
10.1088/1126-6708/2002/08/008
A connection between weak and strong tension limits and their perturbative corrections is discussed. New twistor-like models based on D=4, N=1 tensionless superstring and superbrane with tensor central charges are studied. The presence of three, two or less preserved fractions of $\kappa-$symmetry in the actions free of the Wess-Zumino terms is shown. A correlation of extra $\kappa-$symmetry with the R-symmetry is established. The equations of the superstring and superbrane models preserving 3/4 supersymmetry are exactly solved. The general solution for the Goldstone fermion is pure static, but for the Goldstone bosons it also includes a term describing string/brane motions along the fixed directions given by the initial data. These solutions correspond to the partial spontaneous breaking of the D=4, N=1 global supersymmetry and can be associated with a static closed magnetic Nielsen-Olesen vortex or a p-dimensional vortex.
Uvarov Dmitriy V.
Zheltukhin Aleksandr A.
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