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GRAVITY: 作品数：1145被引量：1340H指数：13; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：吕宏李京伟孙士瞳唐惠庆郭占成更多>>; 相关机构：河海大学上海交通大学湖南大学北京师范大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

Traversable wormhole solutions utilizing the Karmarkar condition in f(R,G)gravity: 《Communications in Theoretical Physics》2024年第12期113-126,共14页Tayyaba Naz Adnan Malik M Z Bhatti M Kamran Asif Iffat Fayyaz; National University of Computer and Emerging Sciences(NUCES)for funding support through research reward programme;the Grant No.YS304023912 to support his Postdoctoral Fellowship at Zhejiang Normal University,China。; The main objective of this paper is to reveal the evolving traversable wormhole solutions in the context of modified f(R,G)gravity,which affects the gravitational interaction.These results are derived by applying the ...; 关键词：Wormhole Structures f(R G)gravity karmarkar condition shape function

Thermal fluctuations,deflection angle,and greybody factor of a high-dimensional Schwarzschild black hole in scalar-tensor-vector gravity: 《Communications in Theoretical Physics》2024年第11期100-112,共13页Qian Li Yu Zhang Qi-Quan Li Qi Sun; supported by the National Natural Science Foundation of China (Grant No.12065012);Yunnan Fundamental Research Projects (202301AS070029);Yunnan High-Level Talent Training Support Plan Young&Elite Talents Project (Grant No.YNWR-QNBJ-2018-360)。; In this study,we examined the thermal fluctuations,deflection angle,and greybody factor of a high-dimensional Schwarzschild black hole in scalar-tensor-vector gravity(STVG).We calculated some thermodynamic quantities ...; 关键词：black hole thermal fluctuations deflection angle greybody factor

Energy exchange between charged relativistic fluids in f(T)gravity: 《Communications in Theoretical Physics》2024年第10期106-118,共13页Z Yousaf U A Khokhar Nasser Bin Turki T Suzuki; supported by Researchers Supporting Project number:RSP2024R413,King Saud University,Riyadh,Saudi Arabia。; This study focuses on the effects of a polytropic fluid on a charged gravitational source within f(T)gravity,where T is the torsion scalar.We investigate how the electromagnetic field affects the flow of energy in sph...; 关键词：complexity HYDRODYNAMICS ANISOTROPY self-gravitating systems energy exchange

Massless Dirac perturbations of black holes in f(Q)gravity:quasinormal modes and a weak deflection angle: 《Communications in Theoretical Physics》2024年第9期73-82,共10页Ahmad Al-Badawi Sohan Kumar Jha; This article considers a static and spherical black hole(BH)in f(Q)gravity.f(Q)gravity is the extension of symmetric teleparallel general relativity,where both curvature and torsion are vanishing and gravity is descri...; 关键词：black holes in f(Q)gravity massless Dirac perturbations quasinormal modes deflection angle

A new gravitational theory and dark matter problem: 《Communications in Theoretical Physics》2024年第6期129-136,共8页Xiong Zhao Yongge Ma; supported by the National Science Foundation of China with Grant No.12275022.; We propose a new gravitational theory with torsion based on Riemann-Cartan geometry,in which all physical quantities are dynamical.In addition to the spacetime metric,the gravitational degrees of freedom in this theor...; 关键词：GRAVITY TORSION dark matter

Detailed analysis of the relativistic configuration of Bardeen anisotropic spheres in modified f(G)gravity: 《Communications in Theoretical Physics》2024年第6期45-56,共12页Adnan Malik Ayesha Almas Tayyaba Naz Rubab Manzoor M Z Bhatti; Adnan Malik acknowledges the Grant No.YS304023912 to support his Postdoctoral Fellowship at Zhejiang Normal University,China.; The aim of this work is to investigate anisotropic compact objects within the framework of f(G)modified theory of gravity.For our present work,we utilize Krori-Barua metrics,i.e.,λ(r)=Xr^(2)+Y andβ(r)=Zr^(2).We use ...; 关键词：Bardeen compact stars f(G)modified gravity Krori-Barua potential

Wormhole solutions under the effect of dark matter in f(R,L_(m))gravity: 《Communications in Theoretical Physics》2024年第5期102-113,共12页Lakhan V Jaybhaye Moreshwar Tayde PK Sahoo; University Grant Commission(UGC),Govt.of India,New Delhi,for awarding JRF(NTA Ref.No.:191620024300);University Grants Commission(UGC),New Delhi,India,for awarding National Fellowship for Scheduled Caste Students(UGC-Ref.No.:201610123801);PKS acknowledges the National Board for Higher Mathematics(NBHM)under the Department of Atomic Energy(DAE),Govt.of India,for financial support to carry out the Research project No.:02011/3/2022 NBHM(R.P.)/R&D II/2152 Dt.14.02.2022;IUCAA,Pune,India for providing support through the visiting Associateship program.; In the background of f(R,L_(m))gravity,this work investigates three distinct dark matter halo profiles to test the possibility of generalised wormhole geometry within the galactic halo regions.The current study aims t...; 关键词：f(R L_(m))gravity WORMHOLE dark matter(Some figures may appear in colour only in the online journal)

On the existence and stability of traversable wormhole solutions with novel shapefunctions in the framework of F(R,L_(m))gravity: 《Communications in Theoretical Physics》2024年第5期114-127,共14页Sourav Chaudhary Jitendra Kumar S K Maurya Sweeti Kiroriwal Abdul Aziz; S Chaudhary expresses his gratitude to the Central University of Haryana for providing a University Research Fellowship (URF) under the Reg. No. 222019;the Department of Mathematics, Central University of Haryana;the University Grant Commission (UGC), New Delhi, India under the NTA Ref. No. 211610000030 for providing financial support; In this work,we have explored wormhole(WH)solutions in F(R,L_(m))gravity by assuming the Morris-Thorne WH metric and F(R,Lm)=R/2+(1+γR)L_(m),whereγis the free model parameter.We determined the WH solutions by utiliz...; 关键词：energy conditions WORMHOLE exotic matter F(R L_(m))gravity

Holographic dark energy in non-conserved gravity theory: 《Communications in Theoretical Physics》2024年第4期126-133,共8页H R Fazlollahi; Recently, reconsidering the Rastall idea T_(μ;νν)^(v)=α_(,μ) through relativistic thermodynamics gives a new form for the scalar field α which led us to construct modern modified theory of gravity debugged ‘non...; 关键词：non-conserved gravity covariant form of thermodynamics holographic dark energy

Phase structures and critical behavior of rational non-linear electrodynamics Anti de Sitter black holes in Rastall gravity: 《Communications in Theoretical Physics》2024年第4期134-152,共19页Yassine Sekhmani Dhruba Jyoti Gogoi Ratbay Myrzakulov Javlon Rayimbaev; supported by the Ministry of Science and Higher Education of the Republic of Kazakhstan,Grant AP14870191.; This research paper presents a black hole solution with a rational nonlinear electrodynamics source within the Rastall gravity framework.The paper analyzes the thermodynamic properties of the solution in normal phase ...; 关键词：Rastall gravity biack hole Phase structures

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