| Issue |
EPJ Web of Conferences
Volume 58, 2013
TM 2012 – The Time Machine Factory [unspeakable, speakable] on Time Travel in Turin
|
|
|---|---|---|
| Article Number | 01008 | |
| Number of page(s) | 4 | |
| Section | Causality in Physics | |
| DOI | https://doi.org/10.1051/epjconf/20135801008 | |
| Published online | 05 September 2013 | |
https://doi.org/10.1051/epjconf/20135801008
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
a e-mail: orfeu.bertolami@fc.up.pt
b e-mail: ferreira@cp3.dias.sdu.dk
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
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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