期刊
EUROPEAN PHYSICAL JOURNAL C
卷 74, 期 11, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-014-3186-7
关键词
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We propose an identification of the free parameter in the model of nonlinear electrodynamics proposed in Gaete and Helayel-Neto (Eur Phys J C 74:2816, 2014) by equating the second term in the power expansion of its Lagrangian with that in the expansion of the Heiseberg-Euler Lagrangian. The resulting value of the field-energy of a point-like charge makes 0.988 of the electron mass, if the charge is that of the electron. Recently Gaete and Helayel-Neto [1] proposed a nonlinear Lagrangian for what they called the logarithmic electrodynamics, which, in the special case of presence, in a certain Lorentz frame, of only electric field E, has the form
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