Cosmological Constant and Soft Terms in Supergravity

Details Cosmological Constant and Soft Terms in Supergravity Cosmological Constant and Soft Terms in Supergravity

1994-04-21

arxiv.org/abs/hep-ph/9404311v1

Phys.Rev.Lett. 73 (1994) 1758-1761

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex file, 11 pages plus 1 figure (the figure not included), SNUTP 94--19

Scientific paper

10.1103/PhysRevLett.73.1758

Some of the soft SUSY breaking parameters in hidden sector supergravity model depend on the expectation value of the hidden sector scalar potential, $$, whose tree level value is equal to the tree level cosmological constant. The current practice of calculating soft parameters assumes that $=0$. Quantum correction to the cosmological constant can differ from the correction to $$ by an amount of order $m^2_{3/2}M_{Pl}^2/8\pi$. This implies that, for the vanishing cosmological constant, the $$--dependent parts of soft terms can be sizable, and hence the supergravity phenomenology should be accordingly modified.

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