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APPROXIMATE: 作品数：556被引量：745H指数：10; 导出分析报告; 相关领域：理学更多>>; 相关作者：阮宇肖国生李俊清吕佳杨维更多>>; 相关机构：吉林大学南京航空航天大学浙江大学合肥工业大学更多>>; 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高技术研究发展计划更多>>

An approximate Kerr-Newman-like metric endowed with a magnetic dipole and mass quadrupole: 《Communications in Theoretical Physics》2024年第8期124-138,共15页Francisco Frutos-Alfaro; Approximate all-terrain spacetimes for astrophysical applications are presented. The metrics possess five relativistic multipole moments, namely, mass, rotation, mass quadrupole, charge,and magnetic dipole moment. All...; 关键词：GRAVITATION Einstein-Maxwell equations Compact objects

Padéapproximant approach to singular properties of quantum gases:the ideal cases: 《Communications in Theoretical Physics》2021年第6期131-139,共9页Yuan-Hong Tian Wen-Du Li Yao Shen Wu-Sheng Dai; supported in part by The Fundamental Research Funds for the Central Universities under Grant No.2020JKF306;Special Funds for theoretical physics Research Program of the NSFC under Grant No.11947124,and NSFC under Grant Nos.11575125 and 11675119。; In this paper,we show how to recover the low-temperature and high-density information of ideal quantum gases from the high-temperature and low-density approximation by the Padéapproximant.The virial expansion is a hi...; 关键词：approximate analytic continuation virial expansion Padéapproximant quantum gas

An Approximate Approach for Systems of Singular Volterra Integral Equations Based on Taylor Expansion: 《Communications in Theoretical Physics》2018年第8期145-152,共8页Mohsen Didgar Alireza Vahidi; In this article, an extended Taylor expansion method is proposed to estimate the solution of linear singular Volterra integral equations systems. The method is based on combining the m-th order Taylor polynomial of un...; 关键词：systems of singular Volterra integral equations （SSVIEs） systems of generalized Abel＇s integral equations error analysis Taylor expansion

Approximate Bound States Solution of the Hellmann Potential被引量：3: 《Communications in Theoretical Physics》2013年第7期1-8,共8页M. Hamzavi K.E. Thylwe and A.A. Rajabi; The Hellmann potential, which is a superposition of an attractive Coulomb potential -air and a Yutmwa potential b e-δr /r , is often used to compute bound-state normalizations and energy levels of neutral atoms. By u...; 关键词：Schrodinger equation Hellmann potential Nikiforov-Uvarov method

Approximate Derivative-Dependent Functional Variable Separation for the Generalized Diffusion Equations with Perturbation被引量：1: 《Communications in Theoretical Physics》2012年第8期175-181,共7页张顺利吉飞宇屈长征; Supported by the National Natural Science Foundation of China under Grant No.10671156;the Natural Science Foundation of Shaanxi Province of China under Grant No.SJ08A05; As an extension to the derivative-dependent functional variable separation approach, the approximate derivative-dependent functional variable separation approach is proposed, and it is applied to study the generalized...; 关键词：generalized diffusion equation approximate derivative-dependent functional separable solution approximate generalized conditional symmetry

Approximate Bound State Solutions of DKP Equation for Any J State in the Presence of Woods-Saxon Potential: 《Communications in Theoretical Physics》2012年第1期15-18,共4页R.Oudi S.Hassanabadi A.A.Rajabi H.Hasanabadi; We study Duffin-Kemmer-Petiau(DKP) equation in the presence of the Woods-Saxon potential and obtain eigenvalues and corresponding eigenfunctions for any J state by using of the Nikiforov-Uvarov(NU) method.The Pekeris ...; 关键词：DKP equation Woods-Saxson potential Pekeris approximation NU method

Approximate Similarity Reduction for Perturbed Kaup-Kupershmidt Equation via Lie Symmetry Method and Direct Method: 《Communications in Theoretical Physics》2010年第11期797-802,共6页刘希忠; Supported by the National Natural Science Foundation of China under Grant Nos.10735030,10475055,10675065,and 90503006;National Basic Research Program of China (973 Program 2007CB814800); The perturbed Kaup-Kupershmidt equation is investigated in terms of the approximate symmetry perturbationmethod and the approximate direct method.The similarity reduction solutions of different orders are obtainedfor ...; 关键词：perturbed Kaup-Kupershmidt equation approximate symmetry perturbation method approxi-mate direct reduction method series reduction solutions

Approximate w_φ～Ω_φ Relations in Quintessence Models: 《Communications in Theoretical Physics》2010年第7期186-190,共5页罗民兴苏奇平; Supported in part by the National Science Foundation of China under Grant No.10425525; Quintessence field is a widely-studied candidate of dark energy. There is ＂tracker solution＂ in quintessence models, in which evolution of the field φ at present times is not sensitive to its initial conditions. Wh...; 关键词：QUINTESSENCE tracker equation APPROXIMATION

Approximate Analytic Solution of Solitary Wave for a Class of Nonlinear Disturbed Long-Wave System被引量：5: 《Communications in Theoretical Physics》2010年第7期27-30,共4页莫嘉琪姚静荪唐荣荣; Supported by the National Natural Science Foundation of China under Grant No.40876010;the Main Direction Program of the Knowledge Innovation Project of Chinese Academy of Sciences under Grant No.KZCX2-YW-Q03-08;the LASG State Key Laboratory Special Fund;the Foundation of Shanghai Municipal Education Commission under Grant No.E03004;the Natural Science Foundation of Zhejiang Province under Grant No.Y6090164; In this paper, the approximate expressions of the solitary wave solutions for a class of nonlinear disturbed long-wave system are constructed using the homotopie mapping method.; 关键词：nonlinear long-wave equation solitary wave approximate analytic solution

Approximate Homotopy Symmetry Reduction Method:Infinite Series Reductions to Kawahara Equation: 《Communications in Theoretical Physics》2010年第7期31-34,共4页刘希忠; Supported by the National Natural Science Foundations of China under Grant Nos.10735030,10475055,10675065,and 90503006;National Basic Research Program of China (973 Program 2007CB814800); The Kawahara equation is studied through the approximate homotopy symmetry method. Under this method we get the similarity reduction solutions of the Kawahara equation, leading to the corresponding homotopy series sol...; 关键词：approximate homotopy symmetry method Kawahara equation homotopy series solutions

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