Superstrings in quantum cosmology

Details Superstrings in quantum cosmology Superstrings in quantum cosmology

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..45..412w&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 45, Issue 2, 15 January 1992, pp.412-416

Physics

6

Origin And Formation Of The Universe

Scientific paper

We consider the dynamics of a four-dimensional universe using the pointlike field-theory effective action of superstrings. We use the boundary conditions of Hartle and Hawking and Vilenkin to solve the Wheeler-DeWitt equation. We find that under certain conditions the Universe will tunnel from a Euclidean regime to a Lorentzian regime. We study this process. We find that the inclusion of fermions (as extra internal degrees of freedom) due to supersymmetry can change the conclusion of Enqvist et al. where only bosonic fields were considered.

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