Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-06-17
JHEP 9807:017,1998
Physics
High Energy Physics
High Energy Physics - Theory
29 pages, Latex, no figures, uses package Latexsym, minor changes, to appear on JHEP
Scientific paper
10.1088/1126-6708/1998/07/017
We present a manifestly Lorentz invariant and supersymmetric component field action for $D = 10$, type $IIB$ supergravity, using a newly developed method for the construction of actions with chiral bosons, which implies only a single scalar non propagating auxiliary field. With the same method we construct also an action in which the complex two-form gauge potential and its Hodge-dual, a complex six-form gauge potential, appear in a symmetric way in compatibility with supersymmetry and Lorentz invariance. The duals of the two physical scalars of the theory turn out to be described by a $SL(2,R)$ triplet of eight-forms whose curvatures are constrained by a single linear relation. We present also a supersymmetric action in which the basic fields and their duals, six-form and eight-form potentials, appear in a symmetric way. All these actions are manifestly invariant under the global $SL(2,R)$-duality group of $D = 10$, $IIB$ supergravity and are equivalent to each other in that their dynamics corresponds to the well known equations of motion of $ D=10$, $IIB$ supergravity.
Dall'Agata Gianguido
Lechner Kurt
Tonin Mario
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