On the divergence of the perturbative expansion for the anomalous magnetic moment |
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| Authors: | Giorgio Calucci |
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| Institution: | 1. Istituto di Fisica Teorica, Università di Trieste, Italy;2. Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Italy |
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| Abstract: | Following the analysis performed by Lautrup, the behaviour of the graphs for the anomalous magnetic moment is studied in the case in which two photon lines (with insertion of n ? 1 electron-positron bubbles) are exchanged. The behaviour with n is a divergence of the type αnn! ln n, very similar, therefore, to the case of one photon line. |
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