Wormholes and Time-Machines in Nonminimally Coupled Matter-Curvature Theories of Gravity
classification
✦ hep-th
astro-ph.COgr-qc
keywords
coupledgravitymatternonminimallysolutionsconditioncurvaturedominant
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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.
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