Quantum Electrodynamics in a Uniform Magnetic Field

Details Quantum Electrodynamics in a Uniform Magnetic Field Quantum Electrodynamics in a Uniform Magnetic Field

2005-12-28

arxiv.org/abs/hep-th/0512329v1

Physics

High Energy Physics

High Energy Physics - Theory

28 pages, no figures, ptp-tex

Scientific paper

A systematic formalism for quantum electrodynamics in a classical uniform magnetic field is discussed. The first order radiative correction to the ground state energy of an electron is calculated. This then leads to the anomalous magnetic moment of an electron without divergent integrals. Thorough analyses of this problem are given for the weak magnetic field limit. A new expression for the radiative correction to the ground state energy is obtained. This contains only one integral with an additional summation with respect to each Landau level. The importance of this formalism is also addressed in order to deal with quantum electrodynamics in an intense external field.

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