International Journal of Engineering، جلد ۳۰، شماره ۵، صفحات ۶۷۸-۶۸۳

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عنوان انگلیسی Investigation of Charged Particles Radiation Moving in a Homogeneous Dispersive Medium (TECHNICAL NOTE)
چکیده انگلیسی مقاله In this work, we use Drude-Lorents model description to study the radiation of a charged particles moving in a homogeneous dispersive medium. A suitable quantized electromagnetic field for such medium is utilized to obtain proper equations for energy loss of the particle per unit length. The energy loss is separately calculated for transverse and longitudinal components of the filed operators. The calculations show that the longitudinal component of the field operators contributes in electron radiation, when dielectric function is exceedingly dependent on the frequency. It is also shown that when the dispersion is not included, the obtained equations are in a good agreement with previous results. For negligible dispersion, the contribution of the field’s longitudinal component tends to zero and at the end the results are in agreement with Ginsberg’s calculations. This calculation can reveal a development for the fields’ quantization for permeable dielectric background medium.
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نویسندگان مقاله Farzaneh Saadati |
Center for Advanced Research in Education, University of Chile

Masih Ghasemi |
Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia

Saeid Kakooei |
Mecanical Engineering, Universiti Teknologi PETRONAS

Ali Reza Ghaffari |
Department of Physics, Arsanjan Branch, Islamic Azad University

Arash Dehzangi |
Department of Electrical Engineering and Computer, Northwestern University

Hassan Soleimani |
Fundamental & Applied Sciences Department, Universiti Teknologi PETROPNAS


نشانی اینترنتی http://www.ije.ir/article_72935_cc108c3745ff579c64fe77ada88ddb06.pdf
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زبان مقاله منتشر شده en
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