Výborný, Karel; Dethlefsen, Annelene F.; Haug, Rolf J.; Wójs, Arkadiusz
(College Park, MD : American Physical Society, 2009)
We study the low-lying excitations from the fractional quantum Hall states at filling factors 2/3 and 2/5 and argue that the charge-carrying excitations involve spin flips, and, in particular, possibly more than one. ...