THOMAS-FERMI

作品数:16被引量:2H指数:1
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相关作者:张肇文刘玲张玲玉孟东原王坤更多>>
相关机构:北京大学四川师范大学南开大学西安交通大学更多>>
相关期刊:《物理学报》《Open Journal of Modelling and Simulation》《Communications in Theoretical Physics》《Chinese Physics B》更多>>
相关基金:国家自然科学基金中央高校基本科研业务费专项资金教育部“新世纪优秀人才支持计划”国家高技术研究发展计划更多>>
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Investigation of quark distributions in a family of pentaquarks using the Thomas-Fermi quark model
《Communications in Theoretical Physics》2021年第3期94-104,共11页Mohan Giri Suman Baral Gopi Chandra Kaphle Nirmal Dangi Sudip Shiwakoti Leonardo Bardomero Paul Lashomb Walter Wilcox 
Using the Thomas-Fermi quark model,a collective,spherically symmetric density of states is created to represent a gas of interacting fermions with various degeneracies at zero temperature.Over a family of pentaquarks,...
关键词:quark models Thomas Fermi models PENTAQUARKS 
A Computationally Hybrid Method for Solving a Famous Physical Problem on an Unbounded Domain
《Communications in Theoretical Physics》2019年第1期9-15,共7页F.A.Parand Z.Kalantari M.Delkhosh F.Mirahmadian 
In this paper, a hybrid method based on the collocation and Newton-Kantorovich methods is used for solving the nonlinear singular Thomas-Fermi equation. At first, by using the Newton-Kantorovich method, the nonlinear ...
关键词:fractional order of rational LEGENDRE functions Newton-Kantorovich METHOD COLLOCATION METHOD THOMAS-FERMI equation 
Simulations of the Electron Spectrum of Quantum Wires in <i>n</i>-Si of Arbitrarily Doping Profile by Thomas-Fermi Method
《Journal of Electromagnetic Analysis and Applications》2018年第8期143-156,共14页Volodymyr Grimalsky Svetlana Koshevaya Jesus Escobedo-Alatorre Igor Moroz 
Electron spectrum in doped n-Si quantum wires is calculated by the Thomas-Fermi (TF) method under finite temperatures. The many-body exchange corrections are taken into account. The doping profile is arbitrary. At the...
关键词:Cylindrical Quantum Well High ARBITRARY Doping THOMAS-FERMI METHOD Electron Spectrum Possible DEGENERATION of Levels 
Generalized Drude model and electromagnetic screening in metals and superconductors
《Chinese Physics B》2018年第5期453-457,共5页Da Wang 
Project supported by the National Natural Science Foundation of China(Grant No.11504164)
Electromagnetic screening is studied from the perspective of fluid mechanics by generalizing the Drude theory, which unifies three known results: Thomas–Fermi screening of the longitudinal field in both metals and s...
关键词:electromagnetic screening Thomas-Fermi screening London penetration depth Meissner effect 
Modern Ab-Initio Calculations on Modified Tomas-Fermi-Dirac Theory
《Open Journal of Modelling and Simulation》2015年第3期96-103,共8页Sergey Seriy 
Thomas-Fermi theory is an approximate method, which is widely used to describe the properties of matter at various hierarchical levels (atomic nucleus, atom, molecule, solid, etc.). Special development is achieved usi...
关键词:Quantum MECHANICS Ab-Initio CALCULATIONS THOMAS-FERMI THEORY Material Science 
基于Thomas-Fermi-Kirzhnits模型的物态方程研究被引量:1
《物理学报》2015年第15期414-419,共6页王坤 史宗谦 石元杰 吴坚 贾申利 邱爱慈 
国家自然科学基金(批准号:51322706,51237006,51325705);教育部新世纪优秀人才支持计划(批准号:NCET-11-0428);中央高校基本科研业务费专项资金资助的课题~~
本文针对丝阵Z箍缩等高能量密度物理实验的数值模拟研究,建立了一种适用温度、密度范围宽的三项式半经验物态方程.三项式半经验物态方程包括零温自由能项,电子热贡献项和离子热贡献项.零温自由能项采用多项式拟合的方法确定.多项式系数...
关键词:状态方程 Thomas-Fermi-Kirzhnits模型 Z箍缩 
Deformation dependence of symmetry energy coefficients of nuclei
《Science China(Physics,Mechanics & Astronomy)》2015年第8期33-38,共6页MO QiuHong LIU Min CHENG LiChun WANG Ning 
supported by the National Natural Science Foundation of China(Grants Nos.11275052,11365005 and 11422548)
Based on the semi-classical Thomas-Fermi approximation together with the Skyrme energy-density functional, we study the deformation dependence of symmetry energy coefficients of finite nuclei. The symmetry energy coef...
关键词:symmetry energy Skyrme energy-density functional nuclear deformation THOMAS-FERMI 
混合物Thomas-Fermi方程组的求解研究被引量:1
《核聚变与等离子体物理》2013年第3期226-230,共5页孟东原 张玲玉 闫雪松 林平 
国家自然科学基金资助项目(91026005);中国科学院"战略性先导专项"资助项目(XDA01020304)
给出了一种可以方便快速求解特定温度密度下描述混合物电子物态的Thomas-Fermi(TF)方程的打靶法方法。该方法采用了步长减半搜索的办法,通过对解的初值及初始步长的合理选取以及对某种发散情况的处理,使得该方法可以在任意温度密度范围...
关键词:Thomas-Fermi方程 打靶法 混合物 
A Remark on "An Efficient Real Space Method for Orbital-Free Density-Functional Theory"
《Communications in Computational Physics》2008年第4期968-972,共5页Carlos J.Garcia-Cervera 
In this short note we clarify some issues regarding the existence of minimizers for the Thomas-Fermi-von Weiszacker energy functional in orbital-free density functional theory,when the Wang-Teter corrections are inclu...
关键词:Density functional theory THOMAS-FERMI constrained optimization 
Ionization of Atoms and the Thomas-Fermi Model for the Electric Field in Crystal Planar Channels
《Communications in Theoretical Physics》2002年第9期361-364,共4页LIU Ying-Tai ZHANG Qi-Ren GAO Chun-Yuan 
The project supported by National Natural Science Foundation of China under Grant No. 10075004 and the Chinese High Performance Computing Center (Beijing)
The electric field in the crystal planar channels is studied by the Thomas Fermi method. The Thomas-Fermi equation and the corresponding boundary conditions are derived for the crystal planar channels. The numericalso...
关键词:IONIZATION of atoms  THOMAS-FERMI method for the crystal  electric field in CHANNELS 
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