Series expansion of the photon self-energy in QED and the photon anomalous magnetic moment
| dc.creator | Rojas, H. Perez | |
| dc.creator | Querts, E. Rodriguez | |
| dc.date | 2008-08-21 | |
| dc.date | 2008-09-19 | |
| dc.date.accessioned | 2026-07-07T10:03:38Z | |
| dc.date.available | 2026-07-07T10:03:38Z | |
| dc.description | We start from the analytical expression of the eigenvalues $κ^{(i)}$ of the photon self-energy tensor in an external constant magnetic field $B$ calculated by Batalin Shabad in the Furry representation, and in the one-loop approximation. We expand in power series of the external field and in terms of the squared photon transverse momentum $z_2$ and (minus) transverse energy $z_1=k^2-z_2$, in terms of which are expressed $κ^{(i)}$. A general expression is given for the photon anomalous magnetic moment $μ_γ>0$ in the region of transparency, below the first threshold for pair creation, and it is shown that it is positive, i.e. paramagnetic. The results of the numerical calculation for $μ_γ>0$ are displayed in a region close to the threshold. | |
| dc.identifier | https://arxiv.org/abs/0808.2958 | |
| dc.identifier | http://arxiv.org/abs/0808.2958 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/169362 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Series expansion of the photon self-energy in QED and the photon anomalous magnetic moment | |
| dc.type | text |