Current reversals in an inhomogeneous system with asymmetric unbiased fluctuations Bao-Quan Ai, Xian-Ju Wang, Guo-Tao Liu, Hui-Zhang Xie, De-Hua Wen, Wei Chen and Liang-Gang Liu Eur. Phys. J. B, 37 4 (2004) 523-526 Published online: 09 April 2004 DOI: 10.1140/epjb/e2004-00089-9