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Consistent Decoupling of Heavy Scalars and Moduli in N=1 Supergravity · Around

2008

Consistent Decoupling of Heavy Scalars and Moduli in N=1 Supergravity

Achucarro, Ana, Hardeman, Sjoerd, Sousa, Kepa

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We consider the conditions for integrating out heavy chiral fields and moduli in N=1 supergravity, subject to two explicit requirements.

First, the expectation values of the heavy fields should be unaffected by low energy phenomena.
Second, the low energy effective action should be described by N=1 supergravity.
This leads to a working definition of decoupling in N=1 supergravity that is different from the usual condition of gravitational strength couplings between sectors, and that is the relevant one for inflation with moduli stabilization, where some light fields (the inflaton) can have long excursions in field space.

Built on

Phys. Lett. B122
E. Cremmer, P. Fayet, and L. Girardello, · 1983
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Phys. Lett. B133
E. Cremmer, S. Ferrara, C. Kounnas, and D. V. Nanopoulos, · 1983
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S. B. Giddings, S. Kachru, and J. Polchinski, · 2002
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Phys. Rev. D68
S. Kachru, R. Kallosh, A. Linde, and S. P. Trivedi, · 2003
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