Analysis of processes leading to explosive phenomena on the surface of a liquid cathode at the time of the dc electric arc ignitionD. V. Tereshonok, M. A. Sargsyan, M. Kh. Gadzhiev and Z. G. KarchugaevaEPL, 140 3 (2022) 34001DOI: https://doi.org/10.1209/0295-5075/ac9c8b