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- Kerson Huang
- Department of Physics and Laboratory for Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
書誌事項
- 公開日
- 1952-11-01
- DOI
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- 10.1119/1.1933296
- 公開者
- American Association of Physics Teachers (AAPT)
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説明
<jats:p>The detailed motion of a free Dirac electron is investigated by examining the expectation values of the position r and of r×ṙ in a wave packet. It is shown that the well-known zitterbewegung may be looked upon as a circular motion about the direction of the electron spin, with a radius equal to the Compton wavelength (divided by 2π) of the electron. It is further shown that the intrinsic spin of the electron may be looked upon as the “orbital angular momentum” of this motion. The current produced by the zitterbewegung is seen to give rise to the intrinsic magnetic moment of the electron.</jats:p>
収録刊行物
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- American Journal of Physics
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American Journal of Physics 20 (8), 479-484, 1952-11-01
American Association of Physics Teachers (AAPT)