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physics.optics2022
On the Role of Longitudinal Currents in Radiating Systems of Charges
Nikita Nemkov, Vassili Fedotov
The time derivative of the charge density is linked to the current density by the continuity equation. However, it features only the longitudinal part of a current density, which i…
physics.optics2018
Equivalent sources approach for non radiating states and anapole metamaterials
Giuseppe Labate, Anar K. Ospanova, Nikita A. Nemkov +2
In this work, we discuss theoretical findings on the common feature describing nonradiating sources, based on equivalent sources from which it is possible to derive cloaking device…