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Prog. Theor. Phys. Vol. 115 No. 2 (2006) pp. 455-460
Letters
Non-Stationary Effect on the Behavior of an On-Off Ratchet
Takashi Matsumoto and
Yoji Aizawa
Department of Physics and Applied Physics,
Waseda University, Tokyo 169-8555, Japan
(Received June 6, 2005)
Abstract:
The behavior of an on-off ratchet driven by a non-stationary effect is
examined numerically. We find that at the stationary/non-stationary
transition, mean velocity of the on-off ratchet is independent of mean
residence time, in contrast to the situation for a conventional on-off
ratchet, whose mean velocity is quite sensitive to the mean residence
time. We give a qualitative explanation for this behavior based on
distributions of the residence time.
URL :
http://ptp.ipap.jp/link?PTP/115/455/
DOI : 10.1143/PTP.115.455
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