云南高校图书馆联盟文献共享服务平台- SPACETIME

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>>

Relativistic model for anisotropic compact stars in embedding class-Ⅰspacetime: 《Communications in Theoretical Physics》2025年第1期143-157,共15页Susmita Sarkar Moumita Sarkar Nayan Sarkar Farook Rahaman; In the present article,we introduce a completely new regular model for static,spherically symmetric celestial fluid spheres in embedding classⅠspacetime.In this regard,needfully,we propose a new suitable metric poten...; 关键词：general relativity compact star ANISOTROPY Karmarkar condition

Extraction energy from charged Vaidya black hole via the Penrose process: 《Communications in Theoretical Physics》2023年第4期87-91,共5页Vitalii Vertogradov; grant 22-22-00112 RSF for financial support。; In this paper,we consider the analogy of the Penrose process in charged Vaidya spacetime.We calculate the border of the generalized ergosphere,in which the charged particles with negative energy might exist,and show t...; 关键词：black hole energy extraction generalized ergosphere charged Vaidya spacetime Penroseprocess

New exact solutions to the Eddingtoninspired-Born-Infeld equations for a relativistic perfect fluid in a Bianchi type Ⅰ spacetime: 《Communications in Theoretical Physics》2022年第6期122-134,共13页Calvin Tadmon Guichard Djiodjo-Seugmo; We consider a Bianchi type Ⅰ physical metric g, an auxiliary metric q and a density matter ρ in Eddington-inspired-Born-Infeld theory. We first derive a system of second order nonlinear ordinary differential equatio...; 关键词：Eddington-inspired-Born-Infeld theory Bianchi typeⅠspacetime solution-tube Friedmann-Lema?tre-Robertson-Walker spacetime density matter ordinary differential equations

Generating a dynamical M2 brane from super-gravitons in a pp-wave background: 《Communications in Theoretical Physics》2022年第1期16-24,共9页Yi-Fei Chen J X Lu Nan Zhang; We acknowledge support by grants from the NSF of China with Grant No:11775212 and 12047502.; We present a detailed study of dynamically generating an M2 brane from super-gravitons(or DO branes)in a pp-wave background possessing maximal spacetime SUSY.We have three kinds of dynamical solutions depending on the...; 关键词：M2 brane super-gravitons pp-wave background spacetime uncertainty principle

Relativistic Landau quantization in the spiral dislocation spacetime: 《Communications in Theoretical Physics》2021年第2期68-72,共5页A V D M Maia K Bakke; We analyse the interaction of a relativistic electron with a uniform magnetic field in the spiral dislocation spacetime.We show that analytical solutions to the Dirac equation can be obtained,where the spectrum of ene...; 关键词：spiral dislocation spacetime relativistic Landau quantization Aharonov-Bohm effect relativistic wave equations Dirac equation

f(G,T) Gravity with Cylindrically Symmetric Relativistic Fluids: 《Communications in Theoretical Physics》2019年第2期220-230,共11页M.Farasat Shamir M.Awais Sadiq; The aim of this paper is to examine the structure scalars with account of f(G, T) theory of gravity. We consider the cylindrically symmetric spacetime with dissipative anisotropic background. We have determined the st...; 关键词：f(G T) GRAVITY cylindrically SYMMETRIC SPACETIME structure SCALARS

Repulsive Effect for Unbound High Energy Particles Along Rotation Axis in Kerr-Taub-NUT Spacetime: 《Communications in Theoretical Physics》2018年第4期399-406,共8页Lu Zhang Song-Bai Chen; Supported by the Scientific Research Fund of Hunan Provincial Education Department under Grant No.17A124;the Construct Program of Key Disciplines in Hunan Province; We have investigated the acceleration of the unbound high energy particles moving along the rotation axis in the Kerr-Taub-NUT spacetime, and then study the dependence of the repulsive effects on the NUT charge for th...; 关键词：Kerr-Taub-NUT ACCELERATION black hole

A Type D Non-Vacuum Spacetime with Causality Violating Curves, and Its Physical Interpretation: 《Communications in Theoretical Physics》2017年第12期735-740,共6页Faizuddin Ahmed; We present a topologically trivial, non-vacuum solution of the Einstein's field equations in four dimensions,which is regular everywhere. The metric admits circular closed timelike curves, which appear beyond the null...; 关键词：exact solution anisotropic fluid closed timelike curves wave propagation and interactions

Closed Timelike Curves in Type Ⅱ Non-Vacuum Spacetime: 《Communications in Theoretical Physics》2017年第2期189-191,共3页Faizuddin Ahmed; Here we present a cyclicly symmetric non-vacuum spacetime, admitting closed timelike curves(CTCs) which appear after a certain instant of time,i.e.,a time-machine spacetime. The spacetime is asymptotically flat, freef...; 关键词：closed timelike curves Misner space pure radiation

Particles and Scalar Waves in Noncommutative Charged Black Hole Spacetime: 《Communications in Theoretical Physics》2015年第7期1-8,共8页Piyali Bhar Farook Rahaman Ritabrata Biswas U.F.Mondal; In this paper we have discussed geodesics and the motion of test particle in the gravitational field of noncommutative charged black hole spacetime. The motion of massive and massless particle have been discussed sepe...; 关键词：test particle SCALAR WAVES NONCOMMUTATIVE CHARGED

SPACETIME