Ryder, L.H. and Shapiro, I.L. (1998) On the interaction of massive spinor particles with external electromagnetic and torsion fields. Physics Letters A, 247 (1-2). pp. 21-26. ISSN 0375-9601.
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We explore the Dirac equation in external electromagnetic and torsion fields. Motivated by the previous study of quantum field theory in an external torsion field we include a nonminimal interaction of the spinor field with torsion. As a consequence the torsion axial vector and the electromagnetic potential enter the action in a similar form. The existence of an extra local symmetry is emphasized and the Foldy-Wouthuysen transformation is performed to an accuracy of next to the leading order. We also discuss the motion of a classical test particle in a constant torsion field.
|Subjects:||Q Science > QC Physics|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Physical Sciences|
|Depositing User:||Tara Puri|
|Date Deposited:||04 Jul 2009 11:36|
|Last Modified:||04 Jul 2009 11:36|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/17083 (The current URI for this page, for reference purposes)|
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