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相关论文: Noncommutative inspired wormholes admitting confor…

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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…

广义相对论与量子宇宙学 · 物理学 2023-05-12 N. S. Kavya , V. Venkatesha , G. Mustafa , P. K. Sahoo , S. V. Divya Rashmi

Noncommutative geometry, an offshoot of string theory, replaces point-like particles by smeared objects. These local effects have led to wormhole solutions in a semiclassical setting, but it has also been claimed that the noncommutative…

广义相对论与量子宇宙学 · 物理学 2024-12-24 Peter K. F. Kuhfittig

Wormholes are a solution for General Relativity field equations which characterize a passage or a tunnel that connects two different regions of space-time and is filled by some sort of exotic matter, that does not satisfy the energy…

广义相对论与量子宇宙学 · 物理学 2019-06-14 P. H. R. S. Moraes , W. de Paula , R. A. C. Correa

In the present manuscript, we study traversable wormhole solutions in the background of extended symmetric teleparallel gravity with matter coupling. With the anisotropic matter distribution we probe the wormhole geometry for two different…

广义相对论与量子宇宙学 · 物理学 2023-08-16 V. Venkatesha , Chaitra Chooda Chalavadi , N. S. Kavya , P. K. Sahoo

Traversable wormholes, studied by Morris and Thorne \cite{Morris1} in general relativity, are investigated in this research paper in $f(R,T)$ gravity by introducing a new form of non-linear $f(R,T)$ function. By using this novel function,…

综合物理 · 物理学 2020-01-08 Nisha Godani , Gauranga C. Samanta

A class of $f(R, T)$ theories extends the Einstein-Hilbert action by incorporating a general function of $R$ and $T$, the Ricci scalar and the trace of the ordinary energy-momentum tensor $T_{\mu\nu}$, respectively, thereby introducing a…

广义相对论与量子宇宙学 · 物理学 2025-07-30 Yaghoub Heydarzade , Maryam Ranjbar

In the present analysis, we examine the potential existence of generalized wormhole models within the framework of newly developed extended $f(R,L_m)$ gravity. We investigate both a linear model, $f(R,L_m)=\alpha R+\beta L_m$, and a…

广义相对论与量子宇宙学 · 物理学 2025-10-14 Sara Rastgoo , Foad Parsaei

We consider modified symmetric teleparallel gravity (STG), in which gravitational Lagrangian is given by the arbitrary function of non-metricity scalar $Q$ to study static and spherically symmetric charged traversable wormhole solutions…

广义相对论与量子宇宙学 · 物理学 2022-06-30 Oleksii Sokoliuk , Zinnat Hassan , P. K. Sahoo , Alexander Baransky

In this work, we explore the possibility that static and spherically symmetric traversable wormhole geometries are supported by modified teleparallel gravity or f(T) gravity, where T is the torsion scalar. Considering the field equations…

广义相对论与量子宇宙学 · 物理学 2012-02-16 Christian G. Boehmer , Tiberiu Harko , Francisco S. N. Lobo

We explore the existence of wormholes in the context of $f(R,T)$ gravity. The $f(R,T)$ theory is a curvature-matter coupled modified gravity that depends on an arbitrary function of the Ricci scalar $R$ and the trace of the stress-energy…

广义相对论与量子宇宙学 · 物理学 2023-05-24 Ayan Banerjee , Takol Tangphati , Anirudh Pradhan

Morris and Thorne \cite{morris1} proposed traversable wormholes, hypothetical connecting tools, using the concept of Einstein's general theory of relativity. In this paper, the modification of general relativity (in particular $f(R,T)$…

广义相对论与量子宇宙学 · 物理学 2020-05-05 Nisha Godani , Gauranga C. Samanta

This paper discusses a new wormhole solution that admits conformal motion, given a noncommutative-geometry background. After a discussion of the wormhole geometry and the energy conditions, the analysis proceeds with the calculation of the…

综合物理 · 物理学 2015-06-16 Farook Rahaman , Saibal Ray , G. S. Khadekar , P. K. F. Kuhfittig , Indrani Karar

We present a traversable wormhole solution using the traceless $f(R,T)$ theory of gravity. In the $f(R,T)$ gravity, the Ricci scalar $R$ in the Einstein-Hilbert action is replaced by a function of $R$ and trace of the energy momentum tensor…

广义相对论与量子宇宙学 · 物理学 2021-09-02 Parbati Sahoo , P. H. R. S. Moraes , Marcelo M. Lapola , P. K. Sahoo

A possible astrophysical object to be found in General Relativity is the wormhole. This special solution describes a topological bridge connecting points in two distinguished universes or two different points in the same universe. Despite…

广义相对论与量子宇宙学 · 物理学 2023-06-21 Moreshwar Tayde , Joao R. L. Santos , Julia N. Araujo , P. K. Sahoo

This study aims to investigate the physical properties of wormhole geometry within the context of $f(T,\mathcal{T})$ gravity, which serves as a teleparallel formulation of general relativity. We study a linear model,…

广义相对论与量子宇宙学 · 物理学 2025-04-15 Foad Parsaei , Sara Rastgoo

In this paper, we consider wormhole geometries in the context of teleparallel equivalent of general relativity (TEGR) as well as $f(T)$ gravity. The TEGR is an alternative geometrical formulation of Einstein's general relativity, where…

广义相对论与量子宇宙学 · 物理学 2020-04-15 Ksh. Newton Singh , Ayan Banerjee , Farook Rahaman , M. K. Jasim

In the paper, we analyze some physical properties of static traversable WH within the framework of $f(R,T)$ modified gravitational theory. Firstly, we explore the validity of the null, weak, dominant and strong energy conditions for…

广义相对论与量子宇宙学 · 物理学 2024-03-21 Jianbo Lu , Mou Xu , Jing Guo , Ruonan Li

Since the general relativistic approach requires exotic matter with negative energy density, constructing wormholes containing realistic matter is a crucial challenge. Therefore, extending General Relativity to non-minimal cases may be an…

广义相对论与量子宇宙学 · 物理学 2024-08-15 Özcan Sert

This research delves into the potential existence of traversable wormholes (WHs) within the framework of modified, curvature based gravity. The modification includes linear perturbations of the matter Lagrangian and the trace of the…

广义相对论与量子宇宙学 · 物理学 2025-04-02 Niklas Loewer , Moreshwar Tayde , P. K. Sahoo

In the present work we search for a new wormhole solution inspired by noncommutative geometry with the additional condition of allowing conformal Killing vectors (CKV). A special aspect of noncommutative geometry is that it replaces…

广义相对论与量子宇宙学 · 物理学 2015-05-15 Farook Rahaman , Sreya Karmakar , Indrani Karar , Saibal Ray