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A Scheme for Information Erasure in a Double-Well Potential |
| WANG Xin-Xin, BAO Jing-Dong |
| Department of Physics, Beijing Normal University, Beijing 100875 |
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| Cite this article: |
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WANG Xin-Xin, BAO Jing-Dong 2010 Chin. Phys. Lett. 27 020508 |
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Abstract We design an experimental scheme to realize one-bit information erasure and restoring processes by considering an overdamped colloidal particle in a double-well optical trap, which is added by a controllable laser tweezer. Using the Monte Carlo method, we simulate numerically the Langevin equation to calculate the mean work spent during the entire process and validate the entropy production fluctuation theory. Our result shows that the distribution of entropy production becomes narrow with increasing temperature and becomes stationary, represents the diminishing extent of irreversibility.
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| Keywords:
05.70.Ln
82.20.Wt
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Received: 07 July 2009
Published: 08 February 2010
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| PACS: |
05.70.Ln
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(Nonequilibrium and irreversible thermodynamics)
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82.20.Wt
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(Computational modeling; simulation)
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