Abstract: We compare the technique of using the orbital angular momentum (OAM) of radio waves for generating multiple channels in a radio communication scenario with traditional ...

Sen. Cory Booker (D-NJ) introduced legislation to move control of the Marshals Service from the executive branch to the judicial branch amid President Trump's criticism of federal judges. Former U.S.

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The orbital angular momentum of electrons has long been considered a minor physical phenomenon, suppressed in most crystals ...

Recently, the EM wave was found to possess not only linear momentum, but also angular momentum. The OAM is a kind of wavefront with helical phase. The OAM-based vortex wave has different topological ...