Quantum Electrodynamics in Strong Magnetic Fields

Details Quantum Electrodynamics in Strong Magnetic Fields Quantum Electrodynamics in Strong Magnetic Fields

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003fuin.conf..261l&link_type=abstract

FUNDAMENTAL INTERACTIONS. Proceedings of the Seventeenth Lake Louise Winter Institute. Held 17-23 February 2002 in Lake Louise,

Physics

Scientific paper

The application of quantum electrodynamics in strong magnetic fields only fairly recently has been a subject of interest. The motivation for these studies was the discovery of neutron stars with very high magnetic fields, of order 1012 Gauss. The standard methods of quantum electrodynamics calculations using Feynman diagrams still applies, but the results of the calculations are very different than without magnetic fields. For example, new processes such as one-photon pair creation and one-photon pair annihilation can occur. Quite recently, neutron stars with extreme magnetic fields, ~ 1013 to 1015 Gauss, have been discovered, This has made it necessary to do new calculations, as previous calculations were carried out under the assumption that the magnetic field, B was limited to B << Bcr = 4.414 × 1013 Gauss. Here, a short review is given of quantum electrodynamics in strong magnetic fields, and some of the new calculations are described.

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