Wormhole with varying cosmological constant
Abstract
It has been suggested that the cosmological constant is a variable dynamical quantity. A class of solution has been presented for the spherically symmetric space time describing wormholes by assuming the erstwhile cosmological constant to be a space variable scalar, viz., = (r) . It is shown that the Averaged Null Energy Condition (ANEC) violating exotic matter can be made arbitrarily small.
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