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Wormhole in 5D Kaluza–Klein cosmology

Gargi Biswas

Taherpur Girls’ High School, Taherpur 741159, West Bengal, India

E-mail Address: biswasgb@gmail.com

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and

B. Modak

Department of Physics, University of Kalyani, Kalyani 741235, West Bengal, India

E-mail Address: bijanmodak@yahoo.co.in

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https://doi.org/10.1142/S0217732317500237Cited by:3 (Source: Crossref)

Abstract

We present wormhole as a solution of Euclidean field equations as well as the solution of the Wheeler–deWitt (WD) equation satisfying Hawking–Page wormhole boundary conditions in (4 + 1)-dimensional Kaluza–Klein cosmology. The wormholes are considered in the cases of pure gravity, minimally coupled scalar (imaginary) field and with a positive cosmological constant assuming dynamical extra-dimensional space. In above cases, wormholes are allowed both from Euclidean field equations and WD equation. The dimensional reduction is possible.

Keywords:

PACS: 04.20.-q, 98.80.Qc

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