Noise-enhanced chaos in a weakly coupled GaAs/(Al,Ga) As superlattice - Yin, Zhizhen; Song, Helum; Zhang, Yaohui; Ruiz Garcia, Miguel; Carretero Cerrajero, Manuel; Lopez Bonilla, Luis Francisco; Biermann, Klaus; Grahn, Holger T. (PHYSICAL REVIEW E, 2017)