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Related papers: Thin-shell wormholes in d-dimensional general rela…

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We construct traversable thin-shell wormholes in the Dvali-Gabadadze-Porrati theory with cylindrical symmetry applying the cut and paste procedure to a flat black string solution of the five-dimensional vacuum Einstein field equations. In…

General Relativity and Quantum Cosmology · Physics 2013-04-01 Martín G. Richarte

Based on the recently introduced black-bounce spacetimes, we shall consider the construction of the related spherically symmetric thin-shell traversable wormholes within the context of standard general relativity. All of the really unusual…

General Relativity and Quantum Cosmology · Physics 2020-06-23 Francisco S. N. Lobo , Alex Simpson , Matt Visser

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

In 6D general relativity with a scalar field as a source of gravity, a new type of static wormhole solutions is presented: such wormholes connect our universe with a small 2D extra subspace with a universe where this extra subspace is…

General Relativity and Quantum Cosmology · Physics 2016-12-07 K. A. Bronnikov , M. V. Skvortsova

A thin-shell wormhole is crafted by the cut-and-paste method of two Bardeen de-Sitter black holes using Darmois-Israel formalism. Energy conditions are considered for different values of magnetic charge while both mass and cosmological…

General Relativity and Quantum Cosmology · Physics 2020-02-11 Hassan Alshal

We construct thin shell Lorentzian wormholes in higher dimensional Einstein-Maxwell theory applying the ' Cut and Paste ' technique proposed by Visser. The linearized stability is analyzed under radial perturbations around some assumed…

General Relativity and Quantum Cosmology · Physics 2009-11-11 F. Rahaman , M. Kalam , S. Chakraborty

This paper discusses a new type of thin-shell wormhole constructed by applying the cut-and-paste technique to two copies of a charged black hole in generalized dilaton-axion gravity, which was inspired by low-energy string theory. After…

General Relativity and Quantum Cosmology · Physics 2010-11-09 A. A. Usmani , F. Rahaman , Saibal Ray , Sk. A. Rakib , Z. Hasan , Peter K. F. Kuhfittig

In this article, we construct a family of spherically symmetric thin-shell wormholes within scalar-tensor theories of gravity. In the case of wormholes symmetric across the throat, we study the matter content and analyze the stability of…

General Relativity and Quantum Cosmology · Physics 2026-02-12 Ernesto F. Eiroa , Griselda Figueroa-Aguirre , Vasiliki Karanasou

This paper reexamines a special class of thin-shell wormholes that are unstable in general relativity in the framework of noncommutative geometry. It is shown that as a consequence of the intrinsic uncertainty these wormholes are stable to…

High Energy Physics - Theory · Physics 2012-08-21 Peter K. F. Kuhfittig

Spacetime wormholes in isotropic spacetimes are represented traditionally by embedding diagrams which were symmetric paraboloids. This mirror symmetry, however, can be broken by considering different sources on different sides of the…

General Relativity and Quantum Cosmology · Physics 2018-06-15 S. Danial Forghani , S. Habib Mazharimousavi , M. Halilsoy

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

In this paper, we construct generic, spherically symmetric thin-shell wormholes and check their stabilities using the unified dark sector, including dark energy and dark matter. We give a master equation, from which one can recover, as a…

General Relativity and Quantum Cosmology · Physics 2017-12-22 Ali Övgün , Kimet Jusufi

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 review recent works on the possibility for eternal existence of thin-shell wormholes on Einstein and Einstein-Gauss-Bonnet gravity. We introduce thin-shell wormholes that are categorized into a class of traversable wormhole solutions.…

General Relativity and Quantum Cosmology · Physics 2020-11-02 Takafumi Kokubu , Tomohiro Harada

We obtain the self-interaction for a point charge in the space-time of a cylindrical thin-shell wormhole connecting two identical locally flat geometries with a constant deficit angle. Although this wormhole geometry is locally…

General Relativity and Quantum Cosmology · Physics 2015-06-11 E. Rubín de Celis , O. P. Santillán , C. Simeone

In this paper, we construct thin-shell wormholes from charged black string through cut and paste procedure and investigate its stability. We assume modified generalized Chaplygin gas as a dark energy fluid (exotic matter) present in the…

General Relativity and Quantum Cosmology · Physics 2015-06-16 M. Sharif , M. Azam

We present a family of spherically symmetric Lorentzian wormholes in quadratic F(R) gravity, with a thin shell of matter corresponding to the throat. At each side of the shell the geometry has a different constant value of the curvature…

General Relativity and Quantum Cosmology · Physics 2020-07-22 Ernesto F. Eiroa , Griselda Figueroa-Aguirre

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

The self-interaction for a static point charge in the space-time of a thin-shell wormhole constructed connecting two identical Schwarzschild geometries is calculated in a series expansion. The electrostatic self-force is evaluated…

General Relativity and Quantum Cosmology · Physics 2015-06-17 E. Rubín de Celis , O. P. Santillán , C. Simeone

In this article, the stability of a general class of spherically symmetric thin-shell wormholes is studied under perturbations preserving the symmetry. For this purpose, the equation of state at the throat is linearized around the static…

General Relativity and Quantum Cosmology · Physics 2010-05-12 Ernesto F. Eiroa