2014•Journal of Modern PhysicsOpen access

Spin-Magnetic Moment of Dirac Electron, and Role of Zitterbewegung

Shigeru Sasabe

Abstract

The spin-magnetic moment of the electron is revisited. In the form of the relativistic quantum mechanics, we calculate the magnetic moment of Dirac electron with no orbital angular-momentum. It is inferred that obtained magnetic moment may be the spin-magnetic moment, because it is never due to orbital motion. A transition current flowing from a positive energy state to a negative energy state in Dirac Sea is found. Application to the band structure of semiconductor is suggested.

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Key concepts: Zitterbewegung, Electron magnetic dipole moment, Physics, Spin magnetic moment, Nuclear magnetic moment, Neutron magnetic moment, Condensed matter physics, Magnetic moment