Superstrings in the early universe

Details Superstrings in the early universe Superstrings in the early universe

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989nuphb.316..391b&link_type=abstract

Nuclear Physics B, Volume 316, Issue 2, p. 391-410.

Physics

Nuclear Physics

419

Scientific paper

We investigate some aspects of thermodynamics and cosmology for superstrings. By a rather delicate computation using the microcanonical ensemble we show that the thermodynamic description of strings is sound (specific heat is positive at large energies) only for strings propagating in spaces where all the spatial directions are compact. Using this result and by considering a simple model, we show how strings resolve the initial singularity of the Big Bang. We also discuss a cosmological scenario which has the potential of explaining the space-time dimensionality.

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