Some properties of evolving wormhole geometries within nonlinear electrodynamics

Details Some properties of evolving wormhole geometries within nonlinear electrodynamics Some properties of evolving wormhole geometries within nonlinear electrodynamics

2008-04-24

arxiv.org/abs/0804.3944v1

Gen.Rel.Grav.41:2561-2578,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

13 pages, 3(ps) figures

Scientific paper

10.1007/s10714-009-0780-3

In this paper we review some properties for the evolving wormhole solution of Einstein equations coupled with nonlinear electrodynamics. We integrate the geodesic equations in the effective geometry obeyed by photons; we check out the weak field limit and find the traversability conditions. Then we analyze the case when the lagrangian depends on two electromagnetic invariants and it turns out that there is not a more general solution within the assumed geometry.

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