粒子的自旋

三个自旋为1/2的粒子的自旋波函数

Spin Wave Function of Three Particles of Spin 1 / 2

所以这些粒子的自旋是一种内禀性质。

Therefore , the spin of these particles is an intrinsic property .

粒子的自旋说明了它所服从的统计法类型。

The spin of a particle tells us the type of statistics it obeys .

当具有能量散度的束流，通过西伯利亚蛇时不可能使束流中每个粒子的自旋矢都能绕纵轴转动的角度为π。

When beam with energy spread passes through Siberian Snake , spin vectors of all particles in this beam cannot rotate angle π about longitudinal axis .

数值计算的结果表明，在具有大量粒子数的自旋系统中，当温度较低的时候，实验上也能检测到纠缠态。

The numerical calculation shows that the entanglement in rather low temperatures in the solid state systems with a great number of spins can be detected .

建立以无相互作用的自族为1/2的粒子组成的自旋系统为工质，由两个绝热和两个等温过程组成的量子卡诺制冷循环模型。

The cycle model of a quantum Carnot refrigeration cycle working with many non-interacting spin-1 / 2 systems and consisting of two isothermal and two adiabatic processes is established .

~（208）Pb中单粒子共振态的赝自旋对称性

Pseudospin symmetry of the single-particle resonant states in ~ ( 208 ) Pb

全同粒子系的轨道自旋

Orbital Spins in an Identical Particle System

在Poincar啨群不可约表示的框架里，构造了适用于粒子任意正则态的自旋算符，称为运动自旋。

In the frame of irreducible representation of Poincar é group , this spin operator , which is named as moving spin and applied to all the canonical states of the particle , is constructed .

本文主要分析了一对自旋耦合粒子的纠缠在海森堡自旋链的影响下的含时演化，还讨论了海森堡自旋链中纠缠随时间自由演化的情况。

In this paper , the time evolution of the entanglement of a pair of two spin particles under the influence of the Heisenberg spin chain is analyzed .

得到了粒子的能量分布不仅与粒子的质量、自旋量子数、角量子数、磁量子数有关，还与黑洞周围的时空结构及视界的变化有关。

We find that the energy distribution of Dirac particles not only depends on the mass , spin quantum number , angular quantum number and magnetic quantum number , but is also related to the structure of space-time and the variations of event horizon of black hole .

当粒子间以铁磁方式耦合时，凝聚体中粒子的自旋分布与相互作用力程有关：对于短程作用系统，凝聚体中存在大小不同的自旋畴块，即为铁磁生长；

For the ferromagnetic coupling , however , the spin orientation distribution of the aggregates depends on the interaction range : for the short-range interaction , domains with different sizes are observed in the aggregates , i.e. , the aggregates exhibit ferromagnetic structure ;