The particle may have spin, an intrinsic quantity of angular momentum, in which case the relativity-violating behavior can depend on the size and orientation of the spin.
The particle may have spin, an intrinsic quantity of angular momentum, in which case the relativity-violating behavior can depend on the size and orientation of the spin.
粒子的内在角动量称为自旋，相对论违逆的作用可能由自旋的大小与方向决定。