Phenomenology and cosmology and superstrings

Details Phenomenology and cosmology and superstrings Phenomenology and cosmology and superstrings

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phrvl..56..432l&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 56, Feb. 3, 1986, p. 432-435.

Mathematics

Logic

103

Cosmology, String Theory, Unified Field Theory, Broken Symmetry, Gauge Theory, Neutrinos, Quantum Chromodynamics

Scientific paper

The ways in which realistic low-energy physics can arise from the E8 X E8 superstring are discussed. A key role is played by the discrete symmetries which typically arise after compactification. Cosmological problems are avoided because the discrete symmetry employed here is shown to be effectively embedded in a Peccei-Quinn symmetry. The presented models seem to satisfy the known phenomenological and cosmological constraints. In particular, they possess a harmless axion. The existence of topologically stable superconducting vortices (strings), surviving until today, is also predicted.

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