哈密顿

作品数:1757被引量:2347H指数:16
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相关领域:理学更多>>
相关作者:朱位秋于海生李艳梅曾云刘中华更多>>
相关机构:浙江大学山东大学大连理工大学青岛大学更多>>
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相关基金:国家自然科学基金国家教育部博士点基金国家重点基础研究发展计划山东省自然科学基金更多>>
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Phase Diagram and Tricritical Behavior of a Spin-2 Transverse Ising Model in aRandom Field
《Communications in Theoretical Physics》2004年第4X期623-628,共6页LIANGYa-Qiu WEIGuo-Zhu SONGLi-Li SONGGuo-Li ZANGShu-Liang 
The phase diagrams of a spin-2 transverse Ising model with a random field on honeycomb, square, and simple-cubic lattices, respectively, are investigated within the framework of an effective-field theory with correlat...
关键词:随机场 相位图 RFIM 蒙特卡罗模拟 哈密顿系统 高斯分布 薄反铁磁体 
Dynamical Suppression of Pure Amplitude Damping in Two-State Quantum Systems
《Communications in Theoretical Physics》2004年第4X期539-542,共4页WANGZhong-Jie 
安徽省自然科学基金
Dynamical control of decoherence induced by the environment in a single quantum-bit system is investigated. We choose the suitable perturbations acting on the qubit system to decrease the decoherence due to pure ampli...
关键词:双态量子系统 量子计算 脱散 纯振幅衰减 哈密顿系统 
Quantum Statistical Properties of k-Quantum Nonlinear Coherent States
《Communications in Theoretical Physics》2004年第3X期419-424,共6页WANGJi-Suo LIUTang-Kun FENGJian SUNJin-Zuo 
国家自然科学基金,山东省自然科学基金
In our preceding work, a class of k-quantum nonlinear coherent states, i.e., the k eigenstates of the powersBk (k ≥ 3) of the annihilation operator B=-a1/f(N) of f-oscillators, are introduced. In this paper, we intro...
关键词:量子统计性质 k型量子非线性相干态 高阶压缩 本征态 反聚束 哈密顿算符 
Lie Symmetrical Non-Noether Conserved Quantity of Mechanical System in Phase Space被引量:1
《Communications in Theoretical Physics》2004年第3X期440-442,共3页FANGJian-Hui PENGYong LIAOYong-Pan LIHong 
In this paper, we study the Lie symmetrical non-Noether conserved quantity of the differential equations ofmotion of mechanical system in phase space under the general infinitesimal transformations of groups. Firstly,...
关键词:李对称 非NOETHER守恒量 相位空间 微元转换 哈密顿系统 数学物理方法 
Difference Discrete Variational Principle in Discrete Mechanics and Symplectic Algorithm被引量:5
《Communications in Theoretical Physics》2004年第3X期443-452,共10页LUOXu-Dong GUOHan-Ying LIYu-Qi WUKe 
国家自然科学基金,theState Key Project for Basic Research of China
We propose the difference discrete variational principle in discrete mechanics and symplectic algorithmwith variable step-length of time in finite duration based upon a noncommutative differential calculus established...
关键词:数值计算 耦对映射算法 离散结构 哈密顿结构 微分变量离散原理 勒让德变换 数学物理方法 
Studies on Nematic Liquid Crystal Using Spin Wave Theory
《Communications in Theoretical Physics》2004年第3X期453-458,共6页LIUJian-Jun LIUXiao-Jing SHENMan YANGGuo-Chen 
河北省自然科学基金,河北省教育厅自然科学基金
A spin wave theory is proposed to study nematic liquid crystals. Since the orientation of the molecularlong axis and the angular momentum of the molecule rotating around its long axis have the same direction, operator...
关键词:向列相液晶 自旋波 角动量 哈密顿量 临界点 顺序参数 
Thermodynamical Properties of Spin-3/2 Ising Model in a Longitudinal Random Field with Crystal Field
《Communications in Theoretical Physics》2004年第3X期467-470,共4页LIANGYa-Qiu WEIGuo-Zhu ZHANGHong SONGGuo-Li 
A theoretical study of a spin-3/2 Ising model in a longitudinal random field with crystal field is studiedby using of the effective-field theory with correlations. The phase diagrams and the behavior of the tricritica...
关键词:晶体场 随机场 自旋态 RFIM 哈密顿系统 高斯分布 晶体结构 
Noncommutative Geometry and Classical Orbits of Particles in a Central Force Potential被引量:2
《Communications in Theoretical Physics》2004年第2X期183-184,共2页B.Mirza M.Dehghani 
We investigate the effect of the noncommutative geometry on the classical orbits of particles in a central force potential The relation is implemented through the modified commutation relations [xi,xj] = iθij. Compar...
关键词:非交换几何学 行星轨道 量子万有引力 行星物理学 莱布尼兹规则 哈密顿算符 
Solving Two Kinds of JC Models Relating to Two-Photon Process by Supersymmetric Transformation被引量:4
《Communications in Theoretical Physics》2004年第2X期193-196,共4页FANHong-Yi GUIWei-Jun 
国家自然科学基金,中国科学院院长基金
We propose two kinds of new Jaynes Cummings models relating to two-photon process by using the supersymmetric unitary transformation. The corresponding energy eigenvalues and eigenvectors are obtained.
关键词:超对称转换 JAYNES-CUMMINGS模型 双光子处理 本征矢量 原子-光子相互作用 哈密顿算符 
Mei Symmetry and Lie Symmetry of Relativistic Hamiltonian System
《Communications in Theoretical Physics》2004年第1X期19-22,共4页FANGJian-Hui YANXiang-Hong LIHong CHENPei-Sheng 
The Mei symmetry and the Lie symmetry of the relativistic Hamiltonian system are studied. The definition and criterion of the Mei symmetry and the Lie symmetry of the relativistic Hamiltonian system are given. The rel...
关键词:MEI对称 李对称 哈密顿系统 守恒量 相关性 
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