评述了光抽运和自旋交换碰撞中角动量转移和损失的物理。
This article reviews the physics of angular momentum transfer and loss in optical pumping and spin-exchanging collisions.
光的吸收可以同时导致光束的自旋角动量或轨道角动量转移给微米粒子，就像光学镊子一样引起粒子的转动，从而形成光学扳手。
Absorption of the light allows both the spin and orbital angular momentum of a light beam to be transferred to microscopic particles held within optical tweezers, forming an optical spanner.
角动量的向量特性，进动，角动量守恒(它在系统内部之间的转移)，章动。
Vector nature of angular momentum, precession, conservation of vector angular momentum (its transfer between parts of a system), nutation.
角动量的向量特性，进动，角动量守恒(它在系统内部之间的转移)，章动。
Vector nature of angular momentum, precession, conservation of vector angular momentum (its transfer between parts of a system), nutation.
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