Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-11-29
Nucl.Phys. B465 (1996) 439-457
Physics
High Energy Physics
High Energy Physics - Theory
22 pages, revtex (no figures)
Scientific paper
10.1016/0550-3213(96)00043-0
We consider an eleven dimensional supergravity compactified on $K3\times T^2$ and show that the resulting five dimensional theory has identical massless states as that of heterotic string compactified on a specific five torus $T^5$. The strong-weak coupling duality of the five dimensional theory is argued to represent a ten dimensional Type $IIA$ string compactified on $K3 \times S^1$, supporting the conjecture of string-string duality in six dimensions. In this perspective, we present magnetically charged solution of the low energy heterotic string effective action in five dimensions with a charge defined on a three sphere $S^3$ due to the two form potential. We use the Poincare duality to replace the antisymmetric two form with a gauge field in the effective action and obtain a string solution with charge on a two sphere $S^2$ instead of that on a three sphere $S^3$ in the five dimensional spacetime. We note that the string-particle duality is accompanied by a change of topology from $S^3$ to $S^2$ and viceversa.
Kar Supriya
Maharana Jnanadeva
Panda Sudhakar
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