TY - JOUR AU - Rodríguez Parrondo, Juan Manuel AU - Blanco, J. M. AU - Cao García, Francisco Javier AU - Brito, Ricardo PY - 1998 DO - 10.1209/epl/i1998-00348-5 SN - 0295-5075 UR - https://hdl.handle.net/20.500.14352/58505 T2 - Europhysics Letters AB - The efficiency of different types of Brownian motors is calculated analytically and numerically. We find that motors based on flashing ratchets present a,low efficiency and an unavoidable entropy production. On the other hand, a certain class of... LA - eng M2 - 248 PB - E D P Sciences KW - Thermal ratchets KW - Fluctuation TI - Efficiency of Brownian motors TY - journal article VL - 43 ER -