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Mechanical stability of a class of regular thin-shell wormholes

Oct 16, 2020
17 pages
Published in:
  • Mod.Phys.Lett.A 35 (2020) 37, 2050309
  • Published: Oct 16, 2020
DOI:
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Abstract: (WSP)
This paper explores the stable configuration of thin-shell wormholes constructed from two regular black holes (modified Hayward and four parametric) by using Visser cut and paste approach. The components of stress-energy tensor are evaluated through the Lanczos equations. We analyze the stability of thin-shell by using radial perturbation preserving its symmetries about equilibrium static solution. It is found that modified Hayward wormholes are more stable than the Hayward wormholes. Further, the stable regions of four parametric regular wormholes are larger than the Schwarzschild, Reissner–Nordström and Ayón–Beato–García wormholes. We conclude that stable region decreases for highly charged thin-shell wormholes.
  • Wormhole
  • regular black hole
  • Israel formalism
  • 04.20.Cv
  • 04.40.Dg
  • 04.70.Bw
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