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Updated: Aug 12, 2026

Development of an Experimental Setup for the Measurement of the Coefficient of Restitution under Vacuum Conditions
Published on: March 29, 2016
de Sitter vacua via consistent terms
Giovanni Villadoro1, Fabio Zwirner
1Dipartimento di Fisica, Università di Roma La Sapienza and INFN, Sezione di Roma, P.le Aldo Moro 2, I-00185 Rome, Italy.
Abstract:
We introduce a new mechanism for producing locally stable de Sitter or Minkowski vacua, with spontaneously broken N = 1 supersymmetry and no massless scalars, applicable to superstring and M-theory compactifications with fluxes. We illustrate the mechanism with a simple N = 1 supergravity model that provides parametric control on the sign and the size of the vacuum energy. The crucial ingredient is a gauged U(1) that involves both an axionic shift and an R symmetry, and severely constrains the F- and D-term contributions to the potential.
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