All traversable wormholes in Unimodular Gravity require exotic matter because the flaring-out condition at the throat forces a violation of the null energy condition, independent of shape, redshift, or equation of state.
From these expressions, it is clear that if the NEC is not satisfied, then the WEC and DEC are also not satisfied
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Can wormhole spacetimes in Unimodular Gravity be supported by ordinary matter? A general proof of the exotic matter requirement
All traversable wormholes in Unimodular Gravity require exotic matter because the flaring-out condition at the throat forces a violation of the null energy condition, independent of shape, redshift, or equation of state.