The classical equations of motion of a charged point-particle with intrinsic spin under the
influence of an external electromagnetic field are restated and compared with the …

[en] Without any assumptions other than the theory of classical electrodynamics applied to
the problem of a charged particle interacting with the field of an electromagnetic plane wave …

Starting from the pole-dipole approximation to the equations of motion for an extended body
in an electromagnetic field, we develop a classical special-relativistic theory of a charged …

accepted for publication 1 May 1985) According to the prevailing belief, the spin ofthe
electron or ofsome other particle is a mysterious internal angular momentum for which no …

A simple integral of the relativistic equations of motion for a charge in a magnetic field is
used to reduce the Dirac equations to two simultaneous first-order differential equations …

From the WKB solutions to the squared Dirac equation we derive the classical trajectories
and spin precessions originally postulated by Bargmann, Michel, and Telegdi for charged …

The quantum theory of the electromagnetic interactions of a charged spin-1 particle is
investigated, within the framework of canonical field theory. An earlier treatment of this …

The Dirac equation is expressed entirely in terms of geometrical quantities by providing a
geometrical interpretation for the (-I) t which appears explicitly in the Dirac equation. In the …

The WKB method is applied to solve the Dirac equation and the modified Dirac equation
appropriate to a spin-½ particle with an anomalous magnetic moment. The solution consists …

The Dirac equation is derived in the Foldy-Wouthuysen representation describing the
interaction of spin-1/2 relativistic particles with an external electromagnetic field; it is valid in …