Phase and direction dependence of photorefraction in a low-frequency strong circular-polarized plane wave

Contrary to the superposition principle, it is well known that photorefraction exists in the vacuum with the presence of a strong static field, a laser field, or a rotational magnetic field. Different from the classical optical crystals, the refractive index also depends on the phase of the strong e...

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Bibliographic Details
Published in:Chinese physics B 2015-05, Vol.24 (5), p.335-339
Main Author: 黄永盛 王乃彦 汤秀章
Format: Article
Language:English
Subjects:
Circularity
Electromagnetic fields
Magnetic fields
Mathematical analysis
Maxwell方程
Photorefraction
Plane waves
Refractive index
Refractivity
低频
光折变
叠加原理
圆极化
平面波
旋转磁场
相位
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Summary:Contrary to the superposition principle, it is well known that photorefraction exists in the vacuum with the presence of a strong static field, a laser field, or a rotational magnetic field. Different from the classical optical crystals, the refractive index also depends on the phase of the strong electromagnetic field. We obtain the phase and direction dependence of the refractive index of a probe wave incident in the strong field of a circular-polarized plane wave by solving the Maxwell equations corrected by the effective Lagrangian. It may provide a valuable theoretical basis to calculate the polarization evolution of waves in the strong electromagnetic circumstances of pulsar or neutron stars.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/24/5/054202