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Related papers: Thin-shell wormholes in Rastall gravity

200 papers

In this present article, we explore the physical properties and characteristics of static, spherically symmetric wormholes in the background of Rastall-Rainbow gravity. The Rastall-Rainbow gravity theory has recently been proposed as a…

General Relativity and Quantum Cosmology · Physics 2023-10-12 Anirudh Pradhan , Safiqul Islam , M. Zeyauddin , Ayan Banerjee

We briefly discuss some of the known and new properties of rotating geometries that are relevant to this work. We generalize the analytical method of superposition of fields, known for generating nonrotating solutions, and apply it to…

General Relativity and Quantum Cosmology · Physics 2016-01-07 Mustapha Azreg-Aïnou

We construct traversable thin-shell wormholes which are asymptotically Ads/dS applying the cut and paste procedure for the case of an acoustic metric created by a relativistic Bose-Einstein condensate. We examine several definitions of the…

General Relativity and Quantum Cosmology · Physics 2017-10-17 M. G. Richarte , I. G. Salako , J. P. Morais Graça , H. Moradpour , Ali Övgün

We construct slowly rotating traversable wormholes in the presence of an anisotropic fluid. Starting from a Teo-type stationary, axisymmetric extension of the Morris-Thorne metric, we perform a slow-rotation expansion, fix a gauge that…

General Relativity and Quantum Cosmology · Physics 2026-05-05 Davide Batic , Denys Dutykh , Mark Essa Sukaiti

The Zipoy-Voorhees-Weyl (ZVW) spacetime characterized by mass ($M$) and oblateness ($\delta $) is proposed in the construction of viable thin-shell wormholes (TSWs). Departure from spherical / cylindrical symmetry yields positive total…

General Relativity and Quantum Cosmology · Physics 2014-09-30 S. Habib Mazharimousavi , M. Halilsoy

The quartic self-interacting conformal scalar field is used to construct a thin-shell wormhole satisfying all energy conditions. Accompanying the scalar field is the extremal Reissner-Nordstr\"om black hole with a positive cosmological…

General Relativity and Quantum Cosmology · Physics 2020-03-31 S. Danial Forghani , S. Habib Mazharimousavi , Mustafa Halilsoy

The purpose of this paper is to construct spherical thin-shell wormhole solutions through cut and paste technique and investigate the stability of these solutions in the vicinity of modified Chaplygin gas. The Darmois-Israel formalism is…

General Relativity and Quantum Cosmology · Physics 2013-10-02 M. Sharif , M. Azam

Geodesic motion in traversable Schwarzschild and Kerr thin-shell wormholes constructed by the cut-and-paste method introduced by Visser (1989 Nucl. Phys. B 328 203; 1995 Wormholes: from Einstein to Hawking (Woodbury, MN: American Institute…

General Relativity and Quantum Cosmology · Physics 2015-06-12 V. Diemer , E. Smolarek

We study the stability of thin-shell wormholes in Einstein-Maxwell-Gauss-Bonnet gravity. The equation of state of the thin shell wormhole is considered first to obey a generalized Chaplygin gas and then we generalize it to an arbitrary…

General Relativity and Quantum Cosmology · Physics 2013-12-10 Z. Amirabi , M. Halilsoy , S. Habib Mazharimousavi

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

We present an infinite class of one-parameter scalar field extensions to the BTZ black hole in 2+1-dimensions. By virtue of the scalar charge the thin-shell wormhole supported by a linear fluid at the throat becomes stable against linear…

General Relativity and Quantum Cosmology · Physics 2017-03-21 S. Habib Mazharimousavi , Z. Amirabi , M. Halilsoy

In this work, we investigate static and spherically symmetric traversable wormhole solutions within the framework of the extended symmetric teleparallel gravity, specifically the $\mathcal{F}(Q,\mathcal{L}_{m},\mathcal{T})$ gravity theory,…

General Relativity and Quantum Cosmology · Physics 2025-07-15 Rounak Manna , Krishna Pada Das , Ujjal Debnath

In this study, we explore the new wormhole solutions in the framework of new modified $f(R,L_m)$ gravity. To obtain a characteristic wormhole solution, we use anisotropic matter distribution and a specific form of energy density. As second…

General Relativity and Quantum Cosmology · Physics 2023-05-12 N. S. Kavya , V. Venkatesha , G. Mustafa , P. K. Sahoo , S. V. Divya Rashmi

In this article, we construct spherical thin-shell wormholes with charge in dilaton gravity. The exotic matter required for the construction is provided by a generalized Chaplygin gas. We study the stability under perturbations preserving…

General Relativity and Quantum Cosmology · Physics 2011-10-03 Cecilia Bejarano , Ernesto F. Eiroa

It is shown in this paper that thin-shell wormholes, mathematically constructed by the standard cut-and-paste technique, can, under fairly general conditions, be compatible with quantum field theory.

General Relativity and Quantum Cosmology · Physics 2014-07-08 Peter K. F. Kuhfittig

We investigate the thin-shell wormholes constrained by cosmological observations for the first time in the literature. Without loss of generality, we study the thin-shell wormholes in $\omega$CDM model and analyze their stability under…

General Relativity and Quantum Cosmology · Physics 2020-09-09 Deng Wang , Xin-He Meng

This paper is devoted to find the feasible shape functions for the construction of static wormhole geometry in the frame work of logarithmic-corrected $R^2$ gravity model. We discuss the asymptotically flat wormhole solutions sustained by…

General Relativity and Quantum Cosmology · Physics 2020-05-21 I. Fayyaz , M. Farasat Shamir

Recently in (Phys. Rev. D 76, 087502 (2007) and Phys. Rev. D 77, 089903(E) (2008)) a thin-shell wormhole has been introduced in 5-dimensional Einstein-Maxwell-Gauss-Bonnet (EMGB) gravity which was supported by normal matter. We wish to…

General Relativity and Quantum Cosmology · Physics 2015-03-13 S. Habib Mazharimousavi , M. Halilsoy , Z. Amirabi

Renormalized vacuum expectation values of electromagnetic stress-energy tensor are calculated in the background spherically-symmetrical metric of the wormhole's topology. Covariant geodesic point separation method of regularization is used.…

General Relativity and Quantum Cosmology · Physics 2009-10-22 V. Khatsymovsky

The thin-shell wormhole created using the Darmois-Israel formalism applied to Robinson-Trautman family of spacetimes is presented. The stress energy tensor created on the throat is interpreted in terms of two dust streams and it is shown…

General Relativity and Quantum Cosmology · Physics 2018-03-05 O. Svitek , T. Tahamtan