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Condensed Matter > Other Condensed Matter

arXiv:cond-mat/0612370 (cond-mat)
[Submitted on 14 Dec 2006]

Title:Quantum switches and quantum memories for matter-wave lattice solitons

Authors:V. Ahufinger, A. Mebrahtu, R. Corbalan, A. Sanpera
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Abstract: We study the possibility of implementing a quantum switch and a quantum memory for matter wave lattice solitons by making them interact with "effective" potentials (barrier/well) corresponding to defects of the optical lattice. In the case of interaction with an "effective" potential barrier, the bright lattice soliton experiences an abrupt transition from complete transmission to complete reflection (quantum switch) for a critical height of the barrier. The trapping of the soliton in an "effective" potential well and its release on demand, without loses, shows the feasibility of using the system as a quantum memory. The inclusion of defects as a way of controlling the interactions between two solitons is also reported.
Subjects: Other Condensed Matter (cond-mat.other); Pattern Formation and Solitons (nlin.PS)
Cite as: arXiv:cond-mat/0612370 [cond-mat.other]
  (or arXiv:cond-mat/0612370v1 [cond-mat.other] for this version)
  https://doi.org/10.48550/arXiv.cond-mat/0612370
Journal reference: New Journal of Physics 9, 4 (2007).
Related DOI: https://doi.org/10.1088/1367-2630/9/1/004

Submission history

From: Veronica Ahufinger [view email]
[v1] Thu, 14 Dec 2006 18:16:04 UTC (327 KB)
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