Investigation reveals conditions for traversable wormholes with Casimir sources and electric fields.
We investigate the conditions necessary for the existence of a rotating traversable wormhole by introducing a Casimir source and an external electric field. A viable wormhole solution emerges when the rotation is constant, corresponding to that of an observer in a zero angular momentum frame. Furthermore, a radially dependent rotation is also a feasible solution, provided the angular velocity decreases exponentially as one moves away from the throat.
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Garattini et al. (2025) studied this question.
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