28 May 2017 to 2 June 2017
Queen's University
America/Toronto timezone
Welcome to the 2017 CAP Congress! / Bienvenue au congrès de l'ACP 2017!

THE ANOMALOUS MAGNETIC MOMENT OF A PHOTON PROPAGATING IN A MAGNETIC FIELD

30 May 2017, 14:45
15m
Botterell B143 (Queen's University)

Botterell B143

Queen's University

CLOSED - Oral (Non-Student) / orale (non-étudiant) Theoretical Physics / Physique théorique (DTP-DPT) T3-4 Mathematical Physics (DTP) | Physique mathématique (DPT)

Speaker

Dr S R Valluri (University of Western Ontario)

Description

Abstract:
We analyze the spectrum of the Hamiltonian of a photon propagating in a strong magnetic field $B\sim B_{\rm{cr}}$, where $B_{\rm cr}= \frac{m^2}{e} \simeq 4.4 \times 10^{13}$ Gauss is the Schwinger critical field .
We show that the expected value of the Hamiltonian of a quantized photon for a perpendicular mode is a concave function of the magnetic field $B$. We show by a partially analytic and numerical method that the anomalous magnetic moment of a photon in the one loop approximation is a non - decreasing function of the magnetic field $B$ in the range $0\leq B \leq 30 \, B_{\rm cr}$ We provide a numerical representation of the expression for the anomalous magnetic moment in terms of special functions. We find that the anomalous magnetic moment $\mu_\gamma$ of a photon for $B=30\, B_{\rm cr }$ is $8/3$ of the anomalous magnetic moment of a photon for $B = 1/2 ~ B_{\rm cr}$.

Primary authors

Dr S R Valluri (University of Western Ontario) Dr Julian W. Mielniczuk (Tufts University) Mr Sayantan Auddy (University of Western Ontario) Dr Darrell Lamm (4Georgia Institute of Technology, Atlanta, GA 30332, USA)

Presentation materials

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