Quantization of electromagnetic field in quadratic continuous nonlinear absorptive dielectrics |
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Authors: | Li Wei Liu Shi-Bing Yu Cheng-Xin and Yang Wei |
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Institution: | Institute of Laser Engineering, Beijng University of Technology, Beijing 100124, China |
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Abstract: | This paper reports that in the quantization of
electromagnetic field in the dielectrics, the wave equation with
regard to the Green function is analytically solved by a direct integral
method for a quadratic continuous nonlinear absorptive dielectric
medium. The quantization of the electromagnetic field in such a
nonlinear absorptive dielectric is carried out for which the
material dielectric function is assumed as a separable variable about
the frequency and the space coordinate. The vacuum field
fluctuations for different spatial continuous variations of
dielectric function are numerically calculated, which shows that the
present result is self-consistent. |
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Keywords: | nonlinear absorptive dielectric noise current operator Green function |
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