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Traversable Wormholes and Time Machines in non-minimally coupled curvature-matter $f(R)$ theories

We obtain traversable wormhole and time machine solutions of the field equations of an alternative of gravity with non-minimally curvature-matter coupling. Our solutions exhibit a non-trivial redshift function and allow for matter that satisfy the dominant energy condition.

preprint2012arXivOpen access
Orfeu BertolamiRicardo Zambujal Ferreira
astro-ph.COgr-qchep-th
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Orfeu BertolamiRicardo Zambujal Ferreira

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