TY - JOUR AU - Creffield, Charles AU - Sols LucĂ­a, Fernando PY - 2010 DO - 10.1103/PhysRevLett.104.228902 SN - 0031-9007 UR - https://hdl.handle.net/20.500.14352/44736 T2 - Physical review letters LA - eng PB - American Physical Society KW - Physics KW - Multidisciplinary TI - Comment on "Coherent ratchets in driven Bose-Einstein condensates" Reply TY - journal article VL - 104 ER -