A new shape function for wormholes in f(R) gravity and general relativity

•A new wormhole (WH) shape function is proposed.•The shape function obeyed all the desired conditions of WH geometry.•The tangential null energy conditions and the weak energy condition are validated, as well as the radial energy conditions.•The nonappearance of exotic matter due to modified gravity...

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Bibliographic Details
Published in:New astronomy 2021-10, Vol.88, p.101628, Article 101628
Main Authors: Mishra, Ambuj Kumar, Sharma, Umesh Kumar
Format: Article
Language:English
Subjects:
[formula omitted] gravity
Energy conditions
Shape function
Wormholes
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Summary:•A new wormhole (WH) shape function is proposed.•The shape function obeyed all the desired conditions of WH geometry.•The tangential null energy conditions and the weak energy condition are validated, as well as the radial energy conditions.•The nonappearance of exotic matter due to modified gravity allied with such a new proposal. In the present work, a new shape function is proposed inside modified f(R) gravity and General Relativity in wormhole (WH) geometry. The shape function obeyed all the desired conditions of WH geometry. The equation of state (EoS) parameter, anisotropy parameter and the energy conditions are computed. The tangential null energy conditions and the weak energy condition are validated, as well as the radial energy conditions, which demonstrates the nonappearance of exotic matter due to modified gravity allied with such a new proposal.
ISSN:1384-1076
1384-1092
DOI:10.1016/j.newast.2021.101628