English
Related papers

Related papers: Non-Commutative Effects on Wormholes in Rastall-Ra…

200 papers

In this paper, we investigate the existence of asymptotically flat wormhole geometries within the framework of Rastall-Rainbow modified gravity, a synthesis of two distinct theoretical models: Rastall theory and the Rainbow description. Our…

General Relativity and Quantum Cosmology · Physics 2023-09-12 Takol Tangphati , C. R. Muniz , Anirudh Pradhan , Ayan Banerjee

The present work looks for the possible existence of static and spherically symmetric wormhole geometries in Rastall-Rainbow gravity. Since, the Rastall-Rainbow gravity model has been constructed with the combination of Rastall theory and…

General Relativity and Quantum Cosmology · Physics 2024-06-07 Abdelghani Errehymy , Ayan Banerjee , Orhan Donmez , Mohammed Daoud , Kottakkaran Sooppy Nisar , Abdel-Haleem Abdel-Aty

There are some gravitational theories in which the ordinary energy-momentum conservation law is not valid in the curved spacetime. Rastall gravity is one of the known theories in this regard which includes a non-minimal coupling between…

General Relativity and Quantum Cosmology · Physics 2018-04-17 H. Moradpour , N. Sadeghnezhad , S. H. Hendi

We consider the possibility that wormhole geometries are sustained by their own quantum fluctuations, in the context of noncommutative geometry and Gravity's Rainbow models. More specifically, the energy density of the graviton one-loop…

General Relativity and Quantum Cosmology · Physics 2013-01-03 Remo Garattini , Francisco S. N. Lobo

In the present work, we seek for static spherically symmetric solutions representing wormhole configurations in generalized Rastall gravity (GRG). In this theory, a varying coupling parameter could act as dark energy (DE) and thus, it can…

General Relativity and Quantum Cosmology · Physics 2025-04-08 Naser Sadeghnezhad

We compare the effects of Noncommutative Geometry and Gravity's Rainbow on traversable wormholes which are sustained by their own gravitational quantum fluctuations. Fixing the geometry on a well tested model, we find that the final result…

General Relativity and Quantum Cosmology · Physics 2017-03-22 Remo Garattini

In this paper, we explore static spherically symmetric wormhole solutions in the framework of $n$-dimensional Einstein Gauss-Bonnet gravity. Our objective is to find out wormhole solutions that satisfy energy conditions. For this purpose,…

General Physics · Physics 2016-11-02 Shamaila Rani , Abdul Jawad

Wormhole configurations in Einstein's general theory of relativity (GR) require exotic matter sources violating the weak energy condition (WEC). Rastall's theory is a generalization of GR in its matter source considering a nonconserved…

General Relativity and Quantum Cosmology · Physics 2024-01-19 Yaghoub Heydarzade , Maryam Ranjbar

The possibility of static and spherically symmetric traversable wormhole solution in modified teleparallel Rastall gravity (MTRG) in a non-diagonal tetrad is investigated. Rastall assumption modifies the field equations and energy-momentum…

General Relativity and Quantum Cosmology · Physics 2023-03-15 N. Nazavari , Kh. Saaidi , Abolhassan Mohammadi

In this paper, we discuss spherically symmetric wormhole solutions in $f(R,T)$ modified theory of gravity by introducing well-known non-commutative geometry in terms of Gaussian and Lorentizian distributions of string theory. For some…

General Physics · Physics 2018-11-14 M. Zubair , G. Mustafa , Saira Waheed , G. Abbas

The present work looks for new wormhole solutions in the non conservative Rastall gravity. Although Rastall gravity is considered to be a higher dimensional gravity, the actual diversion from general relativity essentially happens due to a…

General Relativity and Quantum Cosmology · Physics 2019-03-29 Shibaji Halder , Subhra Bhattacharya , Subenoy Chakraborty

Non-commutativity is a key feature of spacetime geometry. The current article explores the traversable wormhole solutions in the framework of $f(R,L_m)$ gravity within non-commutative geometry. By using the Gaussian and Lorentzian…

General Relativity and Quantum Cosmology · Physics 2023-07-10 N. S. Kavya , V. Venkatesha , G. Mustafa , P. K. Sahoo

In this paper, we have systematically discussed the existence of the spherically symmetric wormhole solutions in the framework of $f(Q,\,T)$ gravity under two interesting non-commutative geometries such as Gaussian and Lorentzian…

General Relativity and Quantum Cosmology · Physics 2023-07-25 Moreshwar Tayde , Zinnat Hassan , P. K. Sahoo

We consider the effects of Distorted Gravity on the traversability of the wormholes. In particular, we consider configurations which are sustained by their own gravitational quantum fluctuations. The Ultra-Violet divergences appearing to…

General Relativity and Quantum Cosmology · Physics 2015-06-12 Remo Garattini

This study explores the Gaussian and the Lorentzian distributed spherically symmetric wormhole solutions in the $f(\tau, T)$ gravity. The basic idea of the Gaussian and Lorentzian noncommutative geometries emerges as the physically…

General Relativity and Quantum Cosmology · Physics 2023-01-31 G. Mustafa , Mushtaq Ahmad , Ali Övgün , M. Farasat Shamir , Ibrar Hussain

When Morris and Thorne first proposed the possible existence of traversable wormholes, they adopted the following strategy: maintain complete control over the geometry, thereby leaving open the determination of the stress-energy tensor. In…

General Relativity and Quantum Cosmology · Physics 2016-05-24 Peter K. F. Kuhfittig

This paper discusses the possible existence of traversable wormholes in f(R) modified gravity while assuming a noncommutative-geometry background, as well as zero tidal forces. The first part of the paper aims for an overview via several…

General Relativity and Quantum Cosmology · Physics 2020-07-28 Peter K. F. Kuhfittig

In this work, we consider the possibility that wormhole geometries are sustained by their own quantum fluctuations, in the context of modified dispersion relations. More specifically, the energy density of the graviton one-loop contribution…

General Relativity and Quantum Cosmology · Physics 2012-01-27 Remo Garattini , Francisco S. N. Lobo

This article explores new physically viable wormhole solutions within the framework of f(R,Lm) gravity theory, incorporating noncommutative backgrounds and conformal symmetries. The study investigates the impact of model parameters on the…

General Relativity and Quantum Cosmology · Physics 2024-01-09 N. S. Kavya , G. Mustafa , V. Venkatesha , P. K. Sahoo

We study the shadow and energy emission rate of a spherically symmetric non-commutative black hole in Rastall gravity. Depending on the model parameters, the non-commutative black hole can reduce to the Schwarzschild black hole. Since the…

High Energy Physics - Theory · Physics 2020-05-19 Ali Övgün , İzzet Sakallı , Joel Saavedra , Carlos Leiva
‹ Prev 1 2 3 10 Next ›