Orbital entanglement and violation of Bell inequalities in the presence of dephasing

Details Orbital entanglement and violation of Bell inequalities in the presence of dephasing Orbital entanglement and violation of Bell inequalities in the presence of dephasing

2003-09-24

arxiv.org/abs/cond-mat/0309540v1

Turk. J. Phys. 27, 481 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

9 pages, 2 figures. To appear in a special issue on "Quantum Computation at the Atomic Scale" in Turkish Journal of Physics

Scientific paper

We discuss orbital entanglement in mesoscopic conductors, focusing on the effect of dephasing. The entanglement is detected via violation of a Bell Inequality formulated in terms of zero-frequency current correlations. Following closely the recent work by Samuelsson, Sukhorukov and Buttiker, we investigate how the dephasing affects the possibility to violate the Bell Inequality and how system parameters can be adjusted for optimal violation.

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