2006•New Journal of PhysicsOpen access

Dispersion relation for electromagnetic wave propagation in a strongly magnetized plasma

Gert Brodin, M. Marklund, Lennart STENFLO, Pradeep Kumar Shukla

Abstract

A dispersion relation for electromagnetic wave propagation in a strongly magnetized cold plasma is deduced, taking photon–photon scattering into account. It is shown that the combined plasma and quantum electrodynamic effect is important for understanding the mode-structures in magnetar and pulsar atmospheres. The implications of our results are discussed.

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Key concepts: Physics, Dispersion relation, Plasma, Magnetar, Pulsar, Electromagnetic radiation, Quantum electrodynamics, Wave propagation