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Related papers: Intra--Galactic thin shell wormhole and its stabil…

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In continuation of a preceding work on introducing asymmetric thin-shell wormholes as an emerging class of traversable wormholes within the context, this time cylindrically symmetric spacetimes are exploited to construct such wormholes.…

General Relativity and Quantum Cosmology · Physics 2019-11-06 S. Danial Forghani , S. Habib Mazharimousavi , M. Halilsoy

We construct a broad family of thin-shell wormholes with circular symmetry in (2+1)-dimensional F(R) theories of gravity, with constant scalar curvature R. We study the stability of the static configurations under perturbations preserving…

General Relativity and Quantum Cosmology · Physics 2021-08-05 Cecilia Bejarano , Ernesto F. Eiroa , Griselda Figueroa-Aguirre

In this work, we study the thin-shell wormholes in dRGT massive gravity. In order to joint two bulks of the spacetime geometry, we first derive junction conditions of the dRGT spacetime. This results the dynamics of the spherical thin-shell…

General Relativity and Quantum Cosmology · Physics 2020-08-14 Takol Tangphati , Auttakit Chatrabhuti , Daris Samart , Phongpichit Channuie

Considerable attention has been devoted to the wormhole physics in the past 30 years by exploring the possibilities of finding traversable wormholes without the need of exotic matter. In particular the thin-shell wormhole formalism has been…

General Relativity and Quantum Cosmology · Physics 2017-11-03 Ali Övgün , Kimet Jusufi

Spherically symmetric thin-shell wormholes in the presence of a cosmological constant are constructed applying the cut-and-paste technique implemented by Visser. Using the Darmois-Israel formalism the surface stresses, which are…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Francisco S. N. Lobo , Paulo Crawford

This work investigates the spherically symmetric thin-shell wormhole solutions in four-dimensional Einstein-Gauss-Bonnet theory and explores their stabilities under radial, linear perturbations. These solutions are typically traversable and…

General Relativity and Quantum Cosmology · Physics 2023-05-25 Peng Liu , Chao Niu , Wei-Liang Qian , Xiaobao Wang , Cheng-Yong Zhang

The class of spherically-symmetric thin-shell wormholes provides a particularly elegant collection of exemplars for the study of traversable Lorentzian wormholes. In the present paper we consider linearized (spherically symmetric)…

General Relativity and Quantum Cosmology · Physics 2009-10-28 Eric Poisson , Matt Visser

In this work, spherically symmetric thin-shell wormholes with a conformally invariant Maxwell field for $N$-dimensional $F(R)$ gravity and constant scalar curvature $R$ are built. Two cases are considered: symmetric wormholes and asymmetric…

General Relativity and Quantum Cosmology · Physics 2023-07-13 Griselda Figueroa-Aguirre

We constructed thin-shell wormholes using the well-known "cut and paste" technique for static black holes sourced by an anisotropic fluid within the context of the Rastall gravity. Using the generalized Lanczos equations we explored the…

General Relativity and Quantum Cosmology · Physics 2020-07-14 Iarley P. Lobo , Martin G. Richarte , J. P. Morais Graça , H. Moradpour

We investigate negative tension branes as stable thin shell wormholes in Reissner-Nordstrom-(anti) de Sitter spacetimes in $d$ dimensional Einstein gravity. Imposing Z2 symmetry, we construct and classify traversable static thin shell…

General Relativity and Quantum Cosmology · Physics 2015-12-29 Takafumi Kokubu , Tomohiro Harada

We present thin-shell wormhole solutions in Einstein-Yang-Mills-Gauss-Bonnet (EYMGB) theory in higher dimensions d\geq5. Exact black hole solutions are employed for this purpose where the radius of thin-shell lies outside the event horizon.…

General Relativity and Quantum Cosmology · Physics 2011-01-17 S. Habib Mazharimousavi , M. Halilsoy , Z. Amirabi

The thermodynamic stability of a thin-shell wormhole in a Schwarzschild bulk is considered. From the first law, entropy function is found which satisfies the local intrinsic stability conditions. Heat capacity emerges as a well-defined…

General Relativity and Quantum Cosmology · Physics 2019-09-13 S. Danial Forghani , S. Habib Mazharimousavi , M. Halilsoy

In this paper, we employ cut and paste scheme to construct thin-shell wormhole of a charged black string with $f(R)$ terms. We consider $f(R)$ model as an exotic matter source at wormhole throat. The stability of the respective solutions…

General Physics · Physics 2014-10-20 M. Sharif , Z. Yousaf

In this article we construct cylindrical thin-shell wormholes in the context of global cosmic strings. We study the stability of static configurations under perturbations preserving the symmetry and we find that the throat tends to collapse…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Cecilia Bejarano , Ernesto F. Eiroa , Claudio Simeone

We study five dimensional thin-shell wormholes in Einstein-Maxwell theory with a Gauss-Bonnet term. The linearized stability under radial perturbations and the amount of exotic matter are analyzed as a function of the parameters of the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Marc Thibeault , Claudio Simeone , Ernesto F. Eiroa

A novel framework is presented that can be adapted to a wide class of generic spherically symmetric thin-shell wormholes. By using the Darmois--Israel formalism, we analyze the stability of arbitrary spherically symmetric thin-shell…

General Relativity and Quantum Cosmology · Physics 2015-12-29 Francisco S. N. Lobo , Mariam Bouhmadi-López , Prado Martín-Moruno , Nadiezhda Montelongo-García , Matt Visser

It has recently been shown that traversable wormholes may be supported by phantom energy. In this work phantom wormhole geometries are modelled by matching an interior traversable wormhole solution, governed by the equation of state…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Francisco S. N. Lobo

This paper develops a new solution of gravitational vacuum star in the background of charged Kiselev black holes as an exterior manifold. We explore physical features and stability of thin-shell gravastars with radial perturbation. The…

General Relativity and Quantum Cosmology · Physics 2021-02-17 M. Sharif , Faisal Javed

This paper introduces a new type of thin-shell wormhole constructed from a special class of compact stellar objects rather than black holes. The construction and concomitant investigation of the stability to linearized radial perturbations…

General Relativity and Quantum Cosmology · Physics 2018-02-15 Peter K. F. Kuhfittig

We revisit the regular black hole found by Hayward in $4-$dimensional static, spherically symmetric spacetime. To find a possible source for such a spacetime we resort to the non-linear electrodynamics in general relativity. It is found…

General Relativity and Quantum Cosmology · Physics 2014-03-17 M. Halilsoy , A. Ovgun , S. Habib Mazharimousavi