TY - RPRT TI - Nonlinear dynamics, rectification, and phase locking for particles on symmetrical two-dimensional periodic substrates with dc and circular ac drives. AU - C Reichhardt AU - C J Olson Reichhardt AU - M B Hastings PY - 2004 DO - 10.1103/physreve.69.056115 UR - https://pubmed.ncbi.nlm.nih.gov/15244891/ ID - 15244891 ER -