1) Spin-polarized quasiparticle
自旋准粒子
2) particle spin
粒子自旋
1.
After exploring the properties of orbital spins in an identical particle system in the second quantization representation,the conditions are given for regarding the orbital spins as the particle spins.
对于带自旋的全同粒子系,讨论了二次量子化表象中“轨道自旋”的性质,给出了将它们等效为粒子自旋的条件。
3) spinning particles
自旋粒子
1.
Nonlinear effect on motion of spinning particles in the gravitational field
引力场中自旋粒子运动的非线性效应
2.
In this paper we investigate the pseudo-classical spinning particles in curved spacetimes by pseudo-classical mechanics models in which the spin degrees of freedom are characterized in terms of anti-commuting Grassmann variables.
本文采用准经典的力学模型研究准经典自旋粒子在弯曲时空中的运动。
4) high-spin particle
高自旋粒子
1.
The evolution and Berry phase of the particles wi th the spin of 1/2 in a magnetic field can be found directly by Schrdinger equation,but mathematical difficulties will come forth as to high-spin particles.
对于自旋为 1/2的粒子在旋转磁场中的演化及Berry相问题 ,可用直接求解薛定谔方程的方法进行计算 ,但是用这种方法讨论高自旋粒子的演化问题时会出现数学计算上的困难 。
5) spin 1/2 particle
自旋1/2粒子
1.
Based on the interation between particles of quantum system and the possible geometric control to be applied,a mathematical model of two spin 1/2 particle system with interaction is built,whose variables are varying in the Lie groups of SU(4).
在充分考虑量子系统中粒子之间的相互作用以及可能需要的几何控制的基础上,建立了一个变量在李群的SU(4)上变化的、两个具有相互作用的自旋1/2粒子系统的数学模型。
6) three-particle state of general formation
三粒子自旋态
补充资料:自旋-自旋弛豫
自旋-自旋弛豫
磁共振成像术语。又称T2弛豫或横向弛豫(transverse relaxation),指垂直于外磁场B0方向的磁化矢量的指数性衰减过程。磁共振成像时,对置于外磁场B0中的自旋系统施加90°射频脉冲,则自旋系统被激励,其净磁化矢量指向与外磁场B0垂直;射频脉冲终止后,被激励的质子与邻近的原子核之间发生相互作用,逐渐失去相位,净磁化矢量指向恢复与外磁场平行,该过程称自旋-自旋弛豫。自旋-自旋弛豫过程无能量交换。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条