Self-Adjoint Second-Order Equations for Fermions and the Foldy-Wouthuysen Representation
Journal Article
·
· Physics of Particles and Nuclei
Self-adjoint second-order equations with spinor wave functions in an external electromagnetic field are obtained for fermions. The relationship is found between these equations and the Dirac equations in the Foldy-Wouthuysen representation. Closed chiral symmetric equations are written for left and right spinors by using the Dirac matrices in chiral representation. A closed chiral symmetric Foldy-Wouthuysen equation is obtained for an arbitrary electromagnetic field. There are no summands mixing left and right spinors in these equations irrespective of the presence or absence of fermion mass.
- OSTI ID:
- 22979561
- Journal Information:
- Physics of Particles and Nuclei, Journal Name: Physics of Particles and Nuclei Journal Issue: 4 Vol. 49; ISSN 1063-7796
- Country of Publication:
- United States
- Language:
- English
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