Apokamp-type gas discharge phenomenon: Experimental and theoretical backgrounds Vasily Kozhevnikov, Andrey Kozyrev, Alexander Kokovin, Aleksey Sitnikov, Eduard Sosnin, Victor Panarin, Victor Skakun and Victor Tarasenko EPL, 129 1 (2020) 15002 Published online: 12 February 2020 DOI: 10.1209/0295-5075/129/15002