electromagnetic medium
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2014 ◽  
Vol 926-930 ◽  
pp. 48-51
Author(s):  
Rong Wang Guo ◽  
Juan Zhang ◽  
Zhuo Fu ◽  
Bo Yu Liu

Simple dielectric or magnetic absorbing material medium's capacity to absorb the electromagnetic wave is limited so that it can't very well meet technical requirements. At the historic moment ,absorbing material mixed dielectric and magnetic medium development arises. There is a very complicated relationship between effective electromagnetic parameters of a mixture of dielectric and magnetic medium and its components .The ratio of different not only lead to different effective electromagnetic parameters but also have different reflection and transmission of electromagnetic parameters. According to the existing model and comparing the different reflection outcome of mixing ratio of the electromagnetic medium , this article mainly carry on the calculation of effective electromagnetic parameters and analysis of reflectivity to get the optimization of the hybrid medium’ absorbing properties.


2013 ◽  
Vol 29 (9) ◽  
pp. 095018 ◽  
Author(s):  
Kazufumi Ito ◽  
Bangti Jin ◽  
Jun Zou

2012 ◽  
Vol 09 (05) ◽  
pp. 1250046 ◽  
Author(s):  
MATIAS F. DAHL

An area metric is a [Formula: see text]-tensor with certain symmetries on a 4-manifold that represents a non-dissipative linear electromagnetic medium. A recent result by Schuller, Witte and Wohlfarth gives a pointwise algebraic classification for such area metrics. This result is similar to the Jordan normal form theorem for [Formula: see text]-tensors, and the result shows that pointwise area metrics divide into 23 metaclasses and each metaclass requires two coordinate representations. For the first 7 metaclasses, we show that only one coordinate representation is needed. For the remaining 16 metaclasses we find an additional third coordinate representation.


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