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SPACETIME: 作品数：238被引量：82H指数：5; 导出分析报告; 相关作者：王正荣陈传强罗子人张永虹余万霰更多>>; 相关机构：中国科学技术大学首都师范大学华西医科大学辽宁师范大学更多>>; 相关期刊：《International Journal of Astronomy and Astrophysics》《National Science Review》《Journal of Quantum Information Science》《Journal of Applied Mathematics and Physics》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山西省自然科学基金中国博士后科学基金更多>>

Off-equatorial deflections and gravitational lensing in Kerr spacetime and the effect of spin: 《Chinese Physics C》2025年第3期277-298,共22页Tingyuan Jiang Xiaoge Xu Junji Jia; Partially Supported by the Wuhan University Students Innovation and Entrepreneurship Program。; This paper investigates off-equatorial plane deflections and gravitational lensing of both null signals and massive particles in Kerr spacetime in the weak deflection limit,considering the finite distance effect of th...; 关键词：deflection angle gravitational lensing Kerr spacetime equatorial plane massive particle perturbative method

Tidal force effects and bound orbits in null naked singularity spacetime: 《Chinese Physics C》2024年第11期193-202,共10页Siddharth Madan Parth Bambhaniya; Naked singularities form during the gravitational collapse of inhomogeneous matter clouds.The final nature of the singularity depends on the initial conditions of the matter properties and types of matter profiles.The...; 关键词：black hole naked singularity tidal force bound orbits

Thermodynamic topology of quantum corrected AdS-Reissner-Nordstrom black holes in Kiselev spacetime: 《Chinese Physics C》2024年第11期271-279,共9页Jafar Sadeghi Saeed Noori Gashti Mohammad Reza Alipour Mohammad Ali S.Afshar; In this paper,we consider the intricate thermodynamic topology of quantum-corrected Anti-de Sitter-Reissner-Nordstrm(AdS-RN)black holes within the framework of Kiselev spacetime.By employing the generalized off-shell ...; 关键词：AdS-Reissner-Nordstrom black hole Kiselev spacetime thermodynamic topology

Distinguishing the observational signatures of hot spots orbiting Reissner-Nordström spacetime: 《Chinese Physics C》2024年第7期221-230,共10页吴天枢陈一千; Supported in part by the National Natural Science Foundation of China(12105191,11947225,11875196)。; This paper investigates observable signatures of hot spots orbiting Reissner-Nordström(RN)black holes and naked singularities.For an RN black hole,we find two discernible lensing image tracks in time integrated images...; 关键词：ASTROMETRY gravitational lensing black hole physics D0I:10.1088/1674-1137/ad3c2d

Photon orbits and phase transition for Letelier AdS black holes immersed in perfect fluid dark matter: 《Chinese Physics C》2024年第6期247-259,共13页Ashima Sood Md Sabir Ali J.K.Singh Sushant G.Ghosh; Supported by the National Natural Science Foundation of China(11875151,12347177,12247101);the 111 Project under(B20063);the Lanzhou City's Scientific Research Funding Subsidy to Lanzhou University。; We obtain an exact solution for spherically symmetric Letelier AdS black holes immersed in perfect fluid dark matter(PFDM).Considering the cosmological constant as the positive pressure of the system and volume as its...; 关键词：AdS black holes perfect fluid dark matter Letelier spacetime photon orbit extended phase space thermodynamics correlation of photon orbit and thermodynamics

Analytical solutions of equatorial geodesic motion in Kerr spacetime: 《Chinese Physics C》2024年第4期222-239,共18页刘岩孙兵; the Natural Science Foundation of Shandong Province(ZR2023QA133);Yantai University(WL22B218);B.S.is Supported by the National Natural Science Foundation of China(12375046);Beijing University of Agriculture(QJKC-2023032).; The study of Kerr geodesics has a long history,particularly for those occurring within the equatorial plane,which are generally well-understood.However,when compared with the classification introduced by one of the au...; 关键词：geodesic motion analytical solutions equatorial plane Kerr spacetime

Photon motion and weak gravitational lensing in black-bounce spacetime: 《Chinese Physics C》2023年第11期93-104,共12页Furkat Sarikulov Farruh Atamurotov Ahmadjon Abdujabbarov Vokhid Khamidov; Supported by Grant F-FA-2021-510 of the Uzbekistan Ministry for Innovative Development。; The effect of spacetime curvature on photon motion may offer an opportunity to propose new tests on gravity theories.In this study,we investigate and focus on the massless(photon)particle motion around blackbounce gra...; 关键词：weak gravitational lensing black bounce spacetime particle motion

Thermodynamic quantities and phase transitions of five-dimensional de Sitter hairy spacetime: 《Chinese Physics C》2023年第10期225-236,共12页李新平张丽春马宇波李怀繁; the National Natural Science Foundation of China(12075143)。; In this study,we take the mass,electric charge,hair parameter,and cosmological constant of five-dimensional de Sitter hairy spacetime as the state parameters of the thermodynamic system,and when these state parameters...; 关键词：thermodynamic quantities phase transitions de Sitter hairy spacetime

Collapsing scenario for the k-essence emergent generalized Vaidya spacetime in the context of massive gravity's rainbow: 《Chinese Physics C》2022年第12期271-287,共17页Saibal Ray Arijit Panda Bivash Majumder Md.Rabiul Islam Goutam Manna; In this study,we investigate the collapsing scenario for the k-essence emergent Vaidya spacetime in the context of massive gravity's rainbow.For this study,we consider that the background metric is Vaidya spacetime in...; 关键词：classical general relativity physics of black holes classical black holes K-ESSENCE

Anisotropic stars in modified gravity:An extended gravitational decoupling approach被引量：1: 《Chinese Physics C》2022年第10期239-258,共20页S.K.Maurya B.Mishra Saibal Ray Riju Nag; TRC Project(Grant No.BFP/RGP/CBS-/19/099),the Sultanate of Oman;continuous support and encouragement from the administration of University of Nizwa。; In this study,we conduct an investigation on decoupling gravitational sources under the framework of f(R,T)gravity.Basically,the complete geometric deformation technique is employed,which facilitates finding the exact...; 关键词：modified gravity embedding class I spacetime neutron stars

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