Exact string solutions in 2+1-dimensional de Sitter spacetime.

Details Exact string solutions in 2+1-dimensional de Sitter spacetime. Exact string solutions in 2+1-dimensional de Sitter spacetime.

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993temf...94..232d&link_type=abstract

Teor. Mat. Fiz., Vol. 94, No. 2, p. 232 - 240

Physics

Scientific paper

Exact and explicit string solutions propagating in 2+1 dimensional de Sitter spacetime are presented and physically analyzed. Strings generically tend to inflate or either to collapse. The world-sheet time τ interpolates between the cosmic and conformal times. For conformal times, the typical string instability is found, while for cosmic times, a new string behavior appears. In that regime, the string expands (or contracts) but not with the same rate as the universe does.

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