8. N. Hamdan, A. Altorra, H. A. Salman, Relativistic Spin Derivation from Classical Electrodynamics

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Volume 20: Pages 600-609, 2007

Relativistic Spin Derivation from Classical Electrodynamics

N. Hamdan 1, A. Altorra 1, H. A. Salman 2

1Department of Physics, University of Aleppo, Aleppo, Syria

2Department of Physics, Teshreen University, Lattakia, Syria

The integration of the special relativity theory and quantum mechanics has yielded many paradoxes that have remained unsolved until recently, such as the Zitterbewegung problem. Despite the success of the Dirac equation, the spin prediction from it could be identified only with nonrelativistic approximations (Pauli and FoldyWouthysen). In this paper we show that the spin and its magnetic moment can be derived with a classical treatment without using approximations. We obtain a modified Dirac equation in this approach, which also eliminates the Zitterbewegung problem.

Keywords: Dirac equation, electron spin, Zitterbewegung, modified Dirac equation

Received: February 7, 2007; Published Online: October 7, 2009