Abstract
Electromagnetic (EM) theory is one of the most successful paradigms of classical physics. From Maxwell’s original formulation, the EM equations were easily adapted to a relativistic representation and then to a quantized field theory. The success of the EM theory is due to the precise knowledge of the analytic form of the interaction potential between charged particles.
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To be rigorous, we should also consider the spinor part of the fermion wave functions. As we shall see later, this changes the final result by a multiplicative factor, depending on the fermion spin.
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The quantity q 2 defined above is not relativistically invariant. In Sect. 10.3.1, it shall be redefined to make it independent of the choice of the reference system.
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© 2011 Springer Science+Business Media B.V.
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Braibant, S., Giacomelli, G., Spurio, M. (2011). The Paradigm of Interactions: The Electromagnetic Case. In: Particles and Fundamental Interactions. Undergraduate Lecture Notes in Physics. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2464-8_4
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DOI: https://doi.org/10.1007/978-94-007-2464-8_4
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Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-007-2463-1
Online ISBN: 978-94-007-2464-8
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