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arXiv · hep-th/9305138

String Variations on Kaluza-Klein Cosmology

M. A. R. Osorio·M. A. Vazquez-Mozo
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Abstract

We study the cosmological solutions of the two-dimensional Brans-Dicke equations considering a gas of $c=1$ strings in $S^{1}\times \mbox{\bf R}$ as the source of the gravitational field. We also study the implications of the $R$-duality invariance on the solutions. To this purpose we conjecture that, as it happens for massless fields in finite boxes, the free energy of a gas of massless string excitations is not given by the corresponding toroidal compactification.

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M. A. R. Osorio, M. A. Vazquez-Mozo. 1993-05-26. String Variations on Kaluza-Klein Cosmology. https://arxiv.org/abs/hep-th/9305138

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