根据自旋密度定性讨论了磁性。
以优化构型为基础计算其电荷密度、自旋密度、键序和电子光谱。
On the basis of optimized geometries, the charge densities, spin density, bond orders and electronic spectra of above molecule and cation have been calculated.
掺杂能激发电荷密度波，从而削弱了自旋密度波，最终不利于铁磁态的稳定。
Doping can excite a charge density wave weakening the spin density wave against the stability of the ferromagnetic state.
此外，对系统中的电荷密度和自旋密度分布受非最近邻电子跳跃相互作用和电-声耦合的影响情况亦进行了讨论。
Moreover, the influences of the non-nearest neighbor hopping interactions and electron-phonon coupling on the distribution of the charge density and spin density are also discussed.
能隙对称性；自旋涨落；局域态密度。
研究了磁阱中自旋相关的原子波包的密度分布及其动力学演化。
We have investigated theoretically the density distributions and evolution of the spin-dependent atomic wave packets in a harmonic potential.
然后用快速自旋回波重T2 WI加权序列扫描，图像经最大密度投影法重建。
Then fast spiral echo sequence was used to get weighted T2WI images and the images were reconstructed with MIP(maximum intensity projection).
配合谱仪进行了自旋回波脉冲序列的成象实验，获得了较高质量的质子密度图像。
The imaging experiment of spin-echo pulse-sequence was accomplished and images of good quality were obtained by using the homemade NMR micro-imaging system.
通过求解该方程的解析解，给出了赝自旋阀在电流激励下的磁化翻转条件和临界电流密度的表达式。
Conditions of magnetization reversal and the corresponding critical currents were found by solving the dynamic equation analytically.
首先介绍固态中自旋扩散的一般理论，包括半经典描述和建立在投影算子理论上的密度矩阵描述。
This review first summarizes the general theory of spin diffusion in solids, including semi-classical description and the more exact approach, i.
将挠率场应用于非共线系统得到了适用于非共线磁系统的挠率-自旋-密度泛函理论（TSDFT）。
The torsion and spin-density-functional theory (SDFT) was given by adding torsion fields to the non-collinear magnetic system.
将挠率场应用于非共线系统得到了适用于非共线磁系统的挠率-自旋-密度泛函理论（TSDFT）。
The torsion and spin-density-functional theory (SDFT) was given by adding torsion fields to the non-collinear magnetic system.
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