Quantum Theory of Angular Momentum
Quantum Theory of Angular Momentum
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DOI：
10.1007/978-3-642-83238-3_3
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发表时间：
1981
期刊：
影响因子：
--
通讯作者：
D. Mattis
中科院分区：
文献类型：
--
作者：
D. Mattis
本章对角动量的量子理论进行了简要的总结。由于带电粒子的角动量与其磁化强度成正比，这一主题是磁学理论的核心。我们将证明运动角动量是不充分的，并引入自旋角动量。我们将发展用更原始的费米子或玻色子算符来表示角动量或自旋算符的算符技术。自旋二分之一和自旋一的主题将分别讨论，以便在后面的磁学理论章节中使用。
This chapter affords a brief summary of the quantum theory of angular momentum. As the angular momentum of a charged particle is proportional to its magnetization, this subject is at the core of the theory of magnetism. We shall show that motional angular momentum is inadequate, and introduce spin angular momentum. We shall develop operator techniques expressing angular momentum or spin operators in terms of more primitive fermion or boson operators. The topics of spin-one-half and spin-one are treated individually, for use in subsequent chapters on the theory of magnetism.