Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2008-05-08
Can. J. Phys. 87 (2009) 967
Physics
Condensed Matter
Other Condensed Matter
5 pages, 5 figures
Scientific paper
10.1139/P09-088
We show here a mesoscopic device based on a narrow ring containing an electron. In the device, an amount of energy is stored in advance. Similar to the pendulum, an exact periodic motion of the electron is thereby initiated afterward. The motion appears as a series of sharp pulses, and is in nature different from the well known Aharonov-Bohm (A-B) oscillation. In particular, the pulses of current can be tuned to be very strong (say, more than two orders stronger than the usual A-B current). Related theory and numerical results are presented.
Bao Cheng-guang
He Yanzhang
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