Felix Kümmel¹, Borge ten Hagen², Raphael Wittkowski³, Daisuke Takagi⁴, Ivo Buttinoni¹, Ralf Eichhorn⁵, Giovanni Volpe^1,*, Hartmut Löwen², and Clemens Bechinger^1,6

• ¹2. Physikalisches Institut, Universität Stuttgart, D-70569 Stuttgart, Germany
• ²Institut für Theoretische Physik II:, Weiche Materie, Heinrich-Heine-Universität Düsseldorf, D-40225 Düsseldorf, Germany
• ³SUPA, School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom
• ⁴Department of Mathematics, University of Hawaii at Manoa, Honolulu, Hawaii 96822, USA
• ⁵Nordita, Royal Institute of Technology, and Stockholm University, SE-10691 Stockholm, Sweden
• ⁶Max-Planck-Institut für Intelligente Systeme, D-70569 Stuttgart, Germany

• ^*Present address: Department of Physics, Bilkent University, Cankaya, Ankara 06800, Turkey.