原子晶格

作为微观体系模型的非线性原子晶格模型中孤子的研究一直是人们关注的热点。

As a microscopic model , study of solitons in the nonlinear atomic lattice model has proven to be a hot topic in this field till now .

采用界面重标度方法，严格求解了对称A－B－A结构的原子晶格链中晶格振动的界面态的本征值问题，获得了界面态存在的充分必要条件的精确解析式。

He exact solutions of interface state eigenvalue problems of lattice vibrations in a monoatomic chain of symmetry A-B-A structure are investigated by use of the interface rescaling approach . The necessary and sufficient condition for the existence of such interface states is obtained exactly and analytically .

由于固体的导电性能由其晶体结构所决定，Kanatzidis博士团队于是实验新的原子晶格。

Since the electrical properties of solids depend on their crystal structures , his group is experimenting with new atomic lattices .

双稳态孤子二维单原子晶格非线性振动的扭结孤子解

The kink soliton solutions of nonlinear vibration in two-dimensional isotropy monoatomic lattice

基于原子晶格为参照标度的纳米计量技术

A Metering Technique Based on Crystal Lattice as Reference Standard

非局部体力矩引起应力的非对称性，而非局部体力矩则由原子晶格相互作用形成的共价键所产生的。

The nonlocal body moment causes the stress asymmetric and itself is caused by the covalent bond formed by the reaction between atoms .

从原子晶格模型出发，研究了原子振动频率及辐射随原子间距的变化规律；

Based on the model of atom lattice , the variation of atom vibration frequency and radiation against the distance between atoms is studied in this paper .

如果我有其中有N个原子的晶格点阵。

If you have a crystal lattice with N atoms in it .

一维非线性双原子链晶格振动的色散关系

The Dispersion Relation of One-Dimensional Non linear Diatomic Chain

研究了一维耦合单原子链晶格振动以及色散关系。

The lattice vibrations of one-dimensional coupled monatomic chain and the dispersion relations are studied .

在简谐近似下，求解具有在位势的一维双原子链晶格振动运动方程，得到了具有在位势的晶格振动的色散关系。

The dispersion law of a one-dimensional diatomic lattice with on-site potential is analyzed under the harmonic approximation .

一维单原子链晶格振动与均匀杆自由纵振动的运动方程在数学上存在内在的联系。

The equation of lattice vibration of one-dimensional monatomic lattice and the equation of longitudinal vibration of a uniform bar are discussed .

它们由石墨的同心外壳组成，每个壳圈成圆柱，所以碳原子的晶格仍是连续的。

They consist of concentric shells of graphite , with each shell rolled into a cylinder so the lattice of carbon atoms remains continuous .

最后，介绍了冷原子光学晶格、磁晶格和磁光晶格在光子晶体制备等方面的潜在应用。

Finally , potential applications of atomic optical lattices , atomic magnetic lattices and magneto-optical lattices in the preparation of photonic crystals and so on are briefly introduced .

随着质量分布由离散逐渐向连续变化，一维单原子链晶格振动的色散关系逐渐演变为均匀杆纵振动的色散关系。

With the changing of mass distribution from discretization to continuum , the dispersion law of the lattice vibration changes to that of the longitudinal vibration of a uniform bar .

中性原子光晶格钟作为一种高精度原子钟，被视为下一代频率基准的候选研究对象，受到人们的广泛关注。

Optical lattice clock based on neutral atoms with high accuracy is regarded as one of the candidate of next generation frequency standard , and is widely studied in recent years .

而中性原子光晶格钟能同时探测大量囚禁在光晶格中的原子，其稳定度远远高于离子光钟。

However , the optical lattice clocks of neutral atoms can simultaneously interrogate a great number of cold atoms in the optical lattice and therefore outperform the single ion clocks for higher stability .

我们在实验上还观察到了原子超晶格的岛扩散。蒙特卡罗模拟表明，原子扩散过程决定岛扩散常数与原子数的标度指数。

In combination with KMC simulation of the island diffusion of atomic superlattice , we show that the atomic diffusion process determines the scaling exponential of the island diffusion constant to the number of atoms .

我们研究了原子超晶格和原子链的不同位置的扫描隧道谱，其中原子中心处的扫描隧道谱从实验上观察到了费米能级以下占据表面态电子带的存在。

We investigate the spatial dependent spectra of atomic superlattice and atomic string . The spectra at the center of atoms in the atomic superlattice fist reveal the existence of the occupied electron band of surface state below Fermi level .

为此，结合注入锁定技术和钛宝石激光器的优势，我们旨在实现高功率、窄线宽、频率稳定的注入锁定钛宝石激光源，为冷镱原子光晶格钟的实验研究提供三维光品格光源。

In order to supplying the laser source for the 3D optical lattice in our Yb atomic clock experiments , we design an injection-locked Ti : sapphire laser at 759 nm by taking the advantages of the injection locking technique and the Ti : sapphire laser .

~7Li原子在光学晶格中Mott相的激发谱

Excitation Spectra of Mott-insulator Phases of ~ 7Li Atoms in an Optical Lattice

研究表明，Fe-Al-Ti-B四元粉体的机械合金化通过Al、Ti、B原子向Fe晶格中扩散形成Fe（Al，Ti，B）过饱和固溶体。

During mechanical alloying of the powder , the supersaturated solid solution of Al , Ti , B in Fe , Fe ( Al , Ti , B ), is formed by the diffusion of the Al , Ti , B atoms into the Fe lattice .

X射线衍射（XRD）分析和对衍射结果的精确计算表明：TiV合金中的钒原子进入钛晶格后，当V%<4.0%时，a、c的变化主要是受V的原子半径起作用；

The analysis of XRD and related accurate calculations have showed that when V % < 4.0 % , the major factor is the vanadium atom radius which lead the transformation of a and c of crystal parameters after the vanadium entered the crystal lattice of titanium ;

利用多重尺度法，研究了谐振、非谐的近邻和次近邻相互作用下单原子链的晶格振动行为，发现非传播孤子在单原子链Brillouin区的任何位置均有可能存在。

By using a multiple scales method , we study the lattice vibration of a monoatomic chain taking into account the nearest neighbour and the second next nearest neighbour harmonic and anharmonic interactions . It is shown that nonpropagating solitons exist in any position of the Brillouin zone .

不同边界条件下一维双原子链的晶格振动

The lattice vibration of one-dimensional diatomic chain under different boundary conditions

吸引两体相互作用原子在光学晶格中的量子相

Quantum Phases of Atoms with an Attractive Two-body Interaction in Optical Lattices

一维单原子纳米颗粒晶格振动性质的理论研究

Theoretical Study on Property of Lattice Vibration of One Dimensional Monatomic Nanoparticles

用强迫恢复法测量原子核自旋晶格弛豫时间T1

The Measurement of Nuclear Spin-lattice Relaxation Time T_1 Using Driven Recovery Method

重氢原子进入钛晶格中引起过热现象的量热实验

The experimental study on the excess heat for deuteron absorbed in the lattice of titanium

一维耦合单原子链的晶格振动

Lattice Vibration of One-Dimensional Coupled Monatomic Chain