Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1997-05-05
Nucl.Phys. B505 (1997) 109-122
Physics
High Energy Physics
High Energy Physics - Theory
21 pages,latex + psfig.sty, 2 figures. The arguments on the equivalence have been made stronger. Other comments and 2 referenc
Scientific paper
10.1016/S0550-3213(97)00490-2
We argue that supersymmetry breaking by gaugino condensation in the strongly coupled heterotic string can be described by an analogue of Scherk-Schwarz compactification on the eleventh dimension in M-theory. The M-theory scale is identified with the gauge coupling unification mass, whereas the radius of the eleventh dimension $\rho$ is at an intermediate scale $\rho^{-1}\sim 10^{12}$ GeV. At the lowest order, supersymmetry is broken only in the gravitational and moduli sector at a scale $m_{3/2}\sim\rho^{-1}$, while it is mediated by gravitational interactions to the observable world. Computation of the mass splittings yields in general a hierarchy of soft masses at the TeV scale $(\sim\rho^{-2}/M_p)$ with matter scalars much heavier than gauginos.
Antoniadis Ignatios
Quiros Mariano
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