Stability of alternating current gliding arcs Yukihiro Kusano, Mirko Salewski, Frank Leipold, Jiajian Zhu, Andreas Ehn, Zhongshan Li and Marcus Aldén Eur. Phys. J. D, 68 10 (2014) 319 Published online: 28 October 2014 DOI: 10.1140/epjd/e2014-50343-8