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Wormhole geometries in Eddington-Inspired Born–Infeld gravity

T. Harko, F. S. N. Lobo, M. K. Mak, S. V. Sushkov

Abstract
Eddington-inspired Born–Infeld (EiBI) gravity is a recently proposed modified theory of gravity, based on the classic work of Eddington and Born–Infeld nonlinear electrodynamics. In this paper, we consider the possibility that wormhole geometries are sustained in EiBI gravity. We present the gravitational field equations for an anisotropic stress–energy tensor and consider the generic conditions, for the auxiliary metric, at the wormhole throat. In addition to this, we obtain an exact solution for an asymptotically flat wormhole.

Keywords
Wormholes; modified gravity; Eddington-inspired Born–Infeld gravity

Modern Physics Letters A
Volume 30, Number 35, Page 1550190
2015 November

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Instituto de Astrofísica e Ciências do Espaço Universidade do Porto Faculdade de Ciências da Universidade de Lisboa Fundação para a Ciência e a Tecnologia
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