EPJ Web of Conferences
Volume 58, 2013TM 2012 – The Time Machine Factory [unspeakable, speakable] on Time Travel in Turin
|Number of page(s)||4|
|Section||Causality in Physics|
|Published online||05 September 2013|
Wormholes and Time-Machines in Nonminimally Coupled Matter-Curvature Theories of Gravity
1 Departamento de Física e Astronomia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal
2 CP3-Origins & Danish Institute for Advanced Study DIAS, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
Published online: 5 September 2013
In this work we show the existence of traversable wormhole and time-machine solutions in a modified theory of gravity where matter and curvature are nonminimally coupled. Those solutions present a nontrivial redshift function and exist even in the presence of ordinary matter which satisfies the dominant energy condition.
© Owned by the authors, published by EDP Sciences, 2013
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