Ghosh, Pulak Kumar ; Ray, Deb Shankar (2007) An underdamped quantum ratchet Journal of Statistical Mechanics: Theory and Experiment, 2007 (3). 03003-03003. ISSN 1742-5468
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Official URL: http://iopscience.iop.org/1742-5468/2007/03/P03003
Related URL: http://dx.doi.org/10.1088/1742-5468/2007/03/P03003
Abstract
We consider the underdamped Brownian dynamics of particles in a symmetric periodic potential by taking into account systematic quantum corrections order by order and show that a very slow asymmetric and periodic modulation with zero temporal average can induce directed quantum transport in the limit , where ωs≫γ≫1/τ, ωs,γ and t are the system frequency, the dissipation constant and the time period of the modulation, respectively.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics. |
| ID Code: | 59126 |
| Deposited On: | 03 Sep 2011 12:03 |
| Last Modified: | 03 Sep 2011 12:03 |
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