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Wormhole with varying cosmological constant

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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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Authors and Affiliations

  1. Department of Mathematics, Jadavpur University, Kolkata, 700 032, India

    F. Rahaman, M. Sarker & A. Ghosh

  2. Department of Physics, Netaji Nagar College for Women, Regent Estate, Kolkata, 700092, India

    M. Kalam

  3. Department of Physics, Surya Sen Mahavidyalaya, Siliguri, West Bengal, India

    B. Raychaudhuri

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  1. F. Rahaman
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  2. M. Kalam
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  3. M. Sarker
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  4. A. Ghosh
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  5. B. Raychaudhuri
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Correspondence to F. Rahaman.

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Rahaman, F., Kalam, M., Sarker, M. et al. Wormhole with varying cosmological constant. Gen Relativ Gravit 39, 145–151 (2007). https://doi.org/10.1007/s10714-006-0380-4

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  • DOI: https://doi.org/10.1007/s10714-006-0380-4

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