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arXiv · gr-qc/0611133

Wormhole with varying cosmological constant

F. Rahaman·M. Kalam·M. Sarker·A. Ghosh·B. Raychaudhuri
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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 $Λ$ to be a space variable scalar, viz., $Λ$ = $Λ(r) $ . It is shown that the Averaged Null Energy Condition (ANEC) violating exotic matter can be made arbitrarily small.

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F. Rahaman, M. Kalam, M. Sarker, A. Ghosh, B. Raychaudhuri. 2006-11-25. Wormhole with varying cosmological constant. https://doi.org/10.1007/s10714-006-0380-4

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