Langmuir waves associated with magnetic holes in the solar windJ. J. Boldú, D. B. Graham, M. Morooka, M. André, Yu. V. Khotyaintsev, T. Karlsson, J. Souček, D. Píša and M. MaksimovicA&A, 674 (2023) A220DOI: https://doi.org/10.1051/0004-6361/202346100