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Published in:
2017 | OriginalPaper | Chapter
3. Theory of the Fluctuating Electromagnetic Field
Authors : Aleksandr I. Volokitin, Bo N.J. Persson
Published in: Electromagnetic Fluctuations at the Nanoscale
Publisher: Springer Berlin Heidelberg
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Abstract
There are two approaches for studying the fluctuating electromagnetic field. In the first approach, proposed by Rytov [5–7], it is assumed that the fluctuating electromagnetic field is created by the thermal and quantum fluctuations of current density \(\mathbf {j}^f\) inside the medium.