Dispersive property of the quantum vacuum and the speed of light

被引：1
|
作者：
Razmi, H. [1 ]
Baramzadeh, N. [1 ]
Baramzadeh, H. [1 ]
机构：
[1] Univ Qom, Dept Phys, Qom 3716146611, Iran
来源：
MODERN PHYSICS LETTERS A | 2019年 / 34卷 / 04期
关键词：
Quantum vacuum; vacuum polarization; speed of light; the Euler-Heisenberg Lagrangian;
D O I：
10.1142/S0217732319500354
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We want to study the influence of the quantum vacuum on light propagation. At first, by working in the standard linear quantum theory of the electromagnetic fields, it is shown that the electric permittivity and the magnetic permeability of the vacuum medium are changed; but, the resulting speed of light is not modified. Then, taking into account nonlinear effects by considering the Euler-Heisenberg Lagrangian, the corresponding zero point (vacuum) energy and the resulting modification of the speed of light are found up to the first nonvanishing correction.
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页数：6
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