Magnetic Cosmic Strings of N=1, D=4 Supergravity with Cosmological Constant

Details Magnetic Cosmic Strings of N=1, D=4 Supergravity with Cosmological Constant Magnetic Cosmic Strings of N=1, D=4 Supergravity with Cosmological Constant

2001-02-23

arxiv.org/abs/hep-th/0102165v2

Phys.Lett.B514:371-376,2001

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, phyzzx; typos corrected. To appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(01)00800-0

We find a new class of cosmic string solutions with non-vanishing magnetic flux of $\cN=1$, D=4 supergravity with a cosmological constant and coupled to any number of Maxwell and scalar multiplets. We show that these magnetic cosmic string solutions preserve 1/2 of supersymmetry. We give an explicit example of such a solution for which the complex scalars are constant and the spacetime is smooth with topology $R^{1,1}\times S^2$. Two more examples are explored for which a complex scalar field takes values in $\bC P^1$ and in $SL(2,\bR)/U(1)$.

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