Mathematical Physics

    

The Different Meanings of "Spin"

Authors: Robert A. Close

The word "spin" has different meanings in different contexts. This article explains three different meanings of the word "spin". The first is kinetic spin, which refers to angular velocity. The second is geometric spin, which is related to the pointwise symmetry of mathematical basis states under rotation. Sample basis states are described for integer and half-integer rotational quantum numbers. The third type of spin is called dynamic spin, which is the intrinsic or conjugate angular momentum associated with rotational motion of an inertial substance. These different meanings are explained with mathematical descriptions of physical processes.

Comments: 15 Pages.

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[v1] 2024-07-06 18:36:40

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