Poynting flux transport channels formed in polar cap regions of neutron star magnetospheres Jan Benáček, Andrey Timokhin, Patricio A. Muñoz, Axel Jessner, Tatiana Rievajová, Martin Pohl and Jörg Büchner A&A, 691 (2024) A137 Published online: 05 November 2024 DOI: 10.1051/0004-6361/202450949