自旋波

The second is a rigorous solution of Green Functions at low temperature, from it we calculated analytically the stiffness constant of spin waves and numerically the dispersion relations and density of states of spin waves.

二是在低温下严格求解了超晶格的Green函数，并计算了低温自旋波的刚度系数。

Two bulk magnons are observed. One is the thermally excited magnon and another is the uniform magne-tostatic mode.

此实验观测到了两种体波性质的磁振子，一个是热激发的自旋波，另一个被确认为静磁模。

Through studying the dynamical and quantum fluctuation properties of the spin waves, in analogy with the modulation of quantum noise in light and lattice waves, and lattice waves, we calculate out the average value of spin fluctuation and get the condition of achieving the magnon squeezing states.

通过研究自旋波的动力学和量子涨落的性质，类似于光波和格波的量子噪声的调制，计算出自旋涨落的平均值，从而得到了产生磁了振子压缩态的条件。

In this article, based on one-dimension Heisenberg model, the unsymmetric bilayer ferromagnetic and antiferromagnetic thin films are investigated by using the interface rescaling approach under nonperiodic boundary condition.

本文以海森伯模型为基础，只考虑最近邻相互作用，在计入外磁场和非周期性边界条件下，应用界面重参数化方法，分别研究了由A、B两层组成的铁磁或反铁磁层间耦合薄膜中的自旋双链系统的界面自旋波及其存在的充分必要条件，重点讨论了体各向异性场和自旋链长度对界面自旋波存在条件的影响。

On the basis of this,the influences of the external magnetic field on the properties of the quantized vertical spin waves as well as the spin wave energy band s are analyzed.

在此基础上重点讨论了垂直于膜面的外加磁场对自旋波能带结构的影响，结果表明，磁场对自旋波的能带结构有很大的影响，足够大的磁场可以使体模消失

The fundamental conception of the spin wave, the semi-classical and quantum theory of the spin wave, and the application of the spin wave theory.

自旋波的基本概念，自旋波的半经典理论和量子理论，自旋波理论的应用。

After integrating out the electron degrees of freedom, we derive the effective action describing the nuclear spins and the propagator for the spin wave.

将电子自由度积掉后，我们得到了描述核自旋的有效作用量以及核自旋的自旋波传播子。

The phase diagram of spin configurations of the two - sublattice system are derived by both the mean field theory and the spin wave theory. The effect of the anisotropies of the two sublattices on the spin waves is discussed.

用自旋波量子理论解析导出双亚点阵系统的自旋织构的相图，比较了自旋波理论和分子场理论导出的结果，分析了不同磁晶各向异性对自旋波的影响。

Above the blocking temperature, the MS of the granular films follows the Bloch's the spin wave T3/2 law. The causes of increase of the spin wave constant are explored and analyzed.

在截止温度以上，其饱和磁化强度MS温度关系符合Bloch的自旋波T3/2定律，探讨分析了自旋波常数增大的原因。

The modulational instability of nonlinear coherent spin waves in an atomic spin chain of spinor Bose-Einstein condensates confined in an optical lattice is studied.

研究了囚禁在光晶格中的旋量玻色-爱因斯坦凝聚体形成的原子自旋链中的相干非线性自旋波的激发与调制不稳定性。

What are your goals and strategies for growth?

你的成长目标和策略是什么？

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3：1 你要写信给撒狄教会的使者，说，那有神的七灵和七星的，说，我知道你的行为，按名你是活的，其实是死的。