Some properties of evolving wormhole geometries within nonlinear electrodynamics

被引：11
|
作者：
Arellano, Aaron V. B. [2 ]
Breton, Nora [1 ]
Garcia-Salcedo, Ricardo [3 ]
机构：
[1] IPN, Ctr Invest & Estudios Avanzados, Depto Fis, Mexico City 07000, DF, Mexico
[2] Univ Autonoma Estado Mexico, Fac Ciencias, Piedras Blancas 50200, Toluca, Mexico
[3] CICATA IPN, Depto Fis Educ, Mexico City 11500, DF, Mexico
来源：
GENERAL RELATIVITY AND GRAVITATION | 2009年 / 41卷 / 11期
关键词：
Nonlinear electrodynamics; Exact solutions; Wormhole; BORN-INFELD COSMOLOGIES; GENERAL-RELATIVITY; LORENTZIAN WORMHOLES;
D O I：
10.1007/s10714-009-0780-3
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper, we review some properties for the evolving wormhole solution of Einstein equations coupled to 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.
引用
收藏
页码：2561 / 2578
页数：18
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