Cited by 76Quantum and Classical ElectrodynamicsAtomic and Molecular PhysicsParticle physics theoretical and experimental studies

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Quantum Electrodynamics in Strong Magnetic Fields. I. Electron States

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Melrose, DB, Parle, AJ·1983·Australian Journal of Physics

Abstract

Dirac's equation in the presence of a static magnetic field is solved in terms of both cartesian and cylindrical coordinates, and solutions are found for three different spin operators. Choosing the spin to correspond to the parallel component Ilz of the magnetic moment operator leads to wavefunctions (a) which are symmetric between electron and positron states and (b) which are eigenfunctions of the Hamiltonian including radiative corrections. A vertex function [y:',~(k)l~ is defined and shown to be proportional to a gauge independent quantity [T::~(k)l". Symmetry properties of [T~:~(k)l~ are derived in the case where the spin corresponds to Ilz. The use of the vertex function is illustrated by deriving the electron propagator in coordinate space from the vacuum expectation value. Properties of functions J~, _n(x) which appear extensively and are related to generalized Laguerre polynomials are derived and summarized in the Appendix.

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Cites

Research works printed but not linked: 4

  1. Berestetskii, V. B., Lifshitz, E. M., and Pitaevskii, L. P. (1971). 'Relativistic Quantum Theory, Part I' (Pergamon: Oxford).
  2. Itzykson, c., and Zuber, J.-B. (1980). 'Quantum Field Theory' (McGraw-Hili: New York).
  3. Kallen, A. O. G. (1958). In 'Handbuch der Physik', Vol. 5 (Ed.A . S. Flugge), Part 1 (Springer: Berlin).
  4. Melrose, D. B., and Parle, A. J. (1981). Proc. Astron. Soc. Aust. 4, 214.

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Metadata

Authors
Melrose, D., & Parle, A.
Affiliations
The University of Sydney (AU)
Venue
Australian Journal of Physics
Published
1983-12-01
Volume
36
Issue
6
Pages
755-774
ISSN
  • 0004-9506 (ISSN-L)
  • 1446-5582
OpenAlex
W2051875410
Cited by
76
References
3
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 1 · 2022: 1 · 2020: 2 · 2019: 5 · 2018: 2 · 2017: 7 · 2016: 3 · 2015: 2 · 2014: 4 · 2013: 1 · 2012: 1
FWCI
0.55
Type
journal article
Language
en
Open access
Locations
Australian Journal of Physics (publishedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum and Classical Electrodynamics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Atomic and Molecular Physics
  • Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Particle physics theoretical and experimental studies
Keywords
quantum electrodynamics, high magnetic fields, Dirac equation, electronic states, positron states, spin operators, radiative corrections, vertex functions, gauge independence, electron propagator, coordinate space, vacuum expectation value, generalized Laguerre polynomials

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