STRING VARIATIONS ON KALUZA-KLEIN COSMOLOGY
- 10 November 1993
- journal article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters A
- Vol. 8 (34) , 3215-3231
- https://doi.org/10.1142/s0217732393002142
Abstract
We study the cosmological solutions of the two-dimensional Brans-Dicke equations considering a gas of c=1 strings in S1×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.Keywords
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