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Lifting of Flat Directions of the MSSM in de Sitter Background by Garbrecht, Björn ;Ko, Pyungwon ;Ki Hong, Deog is a scholarly article available to read on EtoBox.

What is Lifting of Flat Directions of the MSSM in de Sitter Background about?

We derive one-loop effective potentials in de Sitter background for scalar, fermion and gauge-boson loops. The results are applied to flat directions of the MSSM. It is found that due to Yukawa couplings, a lifting mass term of order of the Hubble rate arises. The lifting contributions mediated by the gauge couplings are found to cancel at leading order in the Hubble rate.

Author

Garbrecht, Björn ;Ko, Pyungwon ;Ki Hong, Deog

Publisher

AIP

Published

2008

Language

EN