title: Transport control in a deterministic ratchet system.
abstract: We study the control of transport properties in a deterministic inertia ratchet system via the extended delay feedback method. A chaotic current of a deterministic inertia ratchet system is controlled to a regular current by stabilizing unstable periodic orbits embedded in a chaotic attractor of the unperturbed system. By selecting an unstable periodic orbit, which has a desired transport property, and stabilizing it via the extended delay feedback method, we can control transport properties of the deterministic inertia ratchet system. Also, we show that the extended delay feedback method can be utilized for separation of particles in the deterministic inertia ratchet system as a particle's initial condition varies.
authors.affiliation: National Creative Research Initiative Center for Quantum Chaos Applications, Sogang University, Seoul 121-742, Korea. dawnmail@sogang.ac.kr
authors.forename: Woo-Sik
authors.initials: WS
authors.lastname: Son
authors.forename: Jung-Wan
authors.initials: JW
authors.lastname: Ryu
authors.forename: Dong-Uk
authors.initials: DU
authors.lastname: Hwang
authors.forename: Soo-Young
authors.initials: SY
authors.lastname: Lee
authors.forename: Young-Jai
authors.initials: YJ
authors.lastname: Park
authors.forename: Chil-Min
authors.initials: CM
authors.lastname: Kim