The Effective Lagrangian of QED with a Magnetic Charge

E. A. Tolkachev (Minsk); P. Osland (Bergen); V. G. Kovalevich (Minsk); Ya. M. Shnir (Berlin)

arxiv: hep-th/9601133 · v1 · submitted 1996-01-24 · ✦ hep-th

The Effective Lagrangian of QED with a Magnetic Charge

V. G. Kovalevich (Minsk) , P. Osland (Bergen) , Ya. M. Shnir (Berlin) , E. A. Tolkachev (Minsk) This is my paper

classification ✦ hep-th

keywords lagrangiancalculateddyonseffectivephotonamplitudeschargecoalescence

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The effective Lagrangian of QED coupled to dyons is calculated. The resulting generalization of the Euler-Heisenberg Lagrangian contains non-linear $P$- and $T$-nonivariant (but $C$ invariant) terms corresponding to the virtual pair creation of dyons. As examples, the amplitudes for photon splitting and photon coalescence are calculated.

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The Effective Lagrangian of QED with a Magnetic Charge

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