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Challenges for superstring cosmology

Ram Brustein
(
- Pennsylvania U.
)
,
Paul J. Steinhardt
(
- Pennsylvania U.
)

Dec 14, 1992

13 pages

Published in:

Phys.Lett.B 302 (1993) 196-201

e-Print:

hep-th/9212049 [hep-th]

DOI:

10.1016/0370-2693(93)90384-T

Report number:

UPR-541-T

View in:

ADS Abstract Service

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Abstract:

We consider whether current notions about superstring theory below the Planck scale are compatible with cosmology. We find that the anticipated form for the dilaton interaction creates a serious roadblock for inflation and makes it unlikely that the universe ever reaches a state with zero cosmological constant and time-independent gravitational constant.

cosmological constant
string model
supersymmetry
postulated particle: dilaton
inflation
vacuum state
potential: dilaton

References(16)

Figures(0)

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