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Optimal pumping of orbital entanglement with single-particle emitters
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Sherkunov, Y., d’Ambrumenil, N., Samuelsson, P. and Büttiker, M.. (2012) Optimal pumping of orbital entanglement with single-particle emitters. Physical Review B, Vol.85 (No.8). Article no. 081108(R). ISSN 1098-0121
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Official URL: http://dx.doi.org/10.1103/PhysRevB.85.081108
Abstract
e propose a method for the optimal time-controlled generation of entangled itinerant particles, using on-demand sources in a conductor in the quantum Hall regime. This entanglement pump is realized by applying periodic, tailored voltage pulses to pairs of quantum dots or quantum point contacts. We show that the pump can produce orbital Bell pairs of both electrons and holes at the optimal rate of half a pair per pumping cycle. The entanglement can be detected by a violation of a Bell inequality formulated in terms of low-frequency current cross correlations.
| Item Type: | Journal Article |
|---|---|
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Physical Review B |
| Publisher: | American Physical Society |
| ISSN: | 1098-0121 |
| Date: | 15 February 2012 |
| Volume: | Vol.85 |
| Number: | No.8 |
| Number of Pages: | 4 |
| Page Range: | Article no. 081108(R) |
| Identification Number: | 10.1103/PhysRevB.85.081108 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/43586 |
Data sourced from Thomson Reuters' Web of Knowledge
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