Counterrotational effects on stability of 2+1-dimensional thin-shell wormholes

Abstract

The role of angular momentum in a 2+1-dimensional rotating thin-shell wormhole (TSW) is considered. Particular emphasis is made on stability when the shells (rings) are counterrotating. We find that counter-rotating halves make the TSW supported by the equation of state of a linear gas more stable. Under a small velocity dependent perturbation, however, it becomes unstable.

arXiv comment5 pages, 2 figures, final version published in EPJC

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• Thin-Shell Wormholes in Neo-Newtonian Theory
• 3+1-dimensional thin-shell wormhole with deformed throat can be supported by normal matter
• Stable Dyonic Thin-Shell Wormholes in Low-Energy String Theory
• Generic spherically symmetric thin-shell wormholes with equilibrium throat at the innermost photonsphere are unstable
• Thin-shell wormholes in 2+1-dimensional Einstein-Scalar Theory
• Studies on Thin-shells and Thin-shell Wormholes
• Scalarization of Chern-Simons Kerr Black Hole Solutions and Wormholes