Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-08-28
Phys.Lett. B366 (1996) 149
Physics
High Energy Physics
High Energy Physics - Theory
12 pages, Plain TeX, no figures
Scientific paper
10.1016/0370-2693(95)01375-X
We present a formulation of $N=1,D=10$ Supergravity--Super--Maxwell theory in superspace in which the graviphoton can be described by a 2--form $B_2$ or a 6--form $B_6$, the photon by a 1--form $A_1$ or a 7--form $A_7$ and the dilaton by a scalar $\varphi$ or an 8--form $\varphi_8$, the supercurvatures of these fields being related by duality. Duality interchanges Bianchi identities and equations of motion for each of the three couples of fields. This construction envisages the reformulation of $D=10$ Supergravity, involving 7--forms as gauge fields, conjectured by Schwarz and Sen, which, upon toroidal compactification to four dimensions, gives the manifestly $SL(2,R)_S$ invariant form of the heterotic string effective action.
Lechner Kurt
Tonin Mario
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