Jäger S.B., T. Schmit, G. Morigi, M.J. Holland, and R. Betzholz, Physical Review Letters 129, 063601 (2022).
Xu M., S.B. Jäger, S. Schütz, J. Cooper, G. Morigi, and M.J. Holland, Physical Review Letters 116, 153002 (2016).