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High Energy Physics - Theory

arXiv:hep-th/9812118 (hep-th)
[Submitted on 14 Dec 1998 (v1), last revised 16 Apr 1999 (this version, v2)]

Title:Partial breaking of supersymmetry, open strings and M-theory

Authors:I. Antoniadis, G. D'Appollonio, E. Dudas, A. Sagnotti
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Abstract: We study total and partial supersymmetry breaking by freely acting orbifolds, or equivalently by Scherk-Schwarz compactifications, in type I string theory. In particular, we describe a four-dimensional chiral compactification with spontaneously broken N=1 supersymmetry, some models with partial $N=4\to N=2$ and $N=4\to N=1$ supersymmetry breaking and their heterotic and M-theory duals. A generic feature of these models is that in the gravitational sector and in the spectrum of D-branes parallel to the breaking coordinate, all mass splittings are proportional to the compactification scale, while global (extended) supersymmetry remains unbroken at tree level for the massless excitations of D-branes transverse to the breaking direction.
Comments: 28 pages, LaTeX, typos corrected
Subjects: High Energy Physics - Theory (hep-th); High Energy Physics - Phenomenology (hep-ph)
Report number: CERN-TH/98-382, CPHT-S691.1198, LPTHE-ORSAY 98/70, ROM2F-98/41
Cite as: arXiv:hep-th/9812118
  (or arXiv:hep-th/9812118v2 for this version)
  https://doi.org/10.48550/arXiv.hep-th/9812118
Journal reference: Nucl.Phys.B553:133-154,1999
Related DOI: https://doi.org/10.1016/S0550-3213%2899%2900232-1

Submission history

From: Emilian Dudas [view email]
[v1] Mon, 14 Dec 1998 21:56:22 UTC (22 KB)
[v2] Fri, 16 Apr 1999 15:14:41 UTC (22 KB)
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