Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-05-04
Class.Quant.Grav. 13 (1996) 1041-1052
Physics
High Energy Physics
High Energy Physics - Theory
RevTex, 13 pages and 5 Postscript figures (added in uuencoded file produced by means of uufiles routine)
Scientific paper
10.1088/0264-9381/13/5/019
Multistring solutions of the string equations of motion are found for inflationary spacetimes with expansion factor $R(\eta)\propto \eta^k$ for any $k<0$ and $\eta$ conformal time. If $0>k>-1$ only two-string solutions can be found within our ansatz, whereas for $k=-1-1/n$, with $n=1,2,\ldots$, multistring solutions exist with an infinite number of strings [In the special case $k=-2$ we recover de Sitter spacetime where multistring solutions were first found].
de Vega Hector J.
Egusquiza Inigo L.
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