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Journal articles

Coherence and Indistinguishability of Single Electrons Emitted by Independent Sources

Abstract : The on-demand emission of coherent and indistinguishable electrons by independent synchronized sources is a challenging task of quantum electronics, in particular regarding its application for quantum information processing. Using two independent on-demand electron sources, we triggered the emission of two single-electron wave packets at different inputs of an electronic beam splitter. Whereas classical particles would be randomly partitioned by the splitter, we observed two-particle interference resulting from quantum exchange. Both electrons, emitted in indistinguishable wave packets with synchronized arrival time on the splitter, exited in different outputs as recorded by the low-frequency current noise. The demonstration of two-electron interference provides the possibility of manipulating coherent and indistinguishable single-electron wave packets in quantum conductors.
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https://hal-ens-lyon.archives-ouvertes.fr/ensl-00903726
Contributor : Pascal Degiovanni Connect in order to contact the contributor
Submitted on : Tuesday, November 12, 2013 - 8:51:42 PM
Last modification on : Monday, May 9, 2022 - 11:58:07 AM

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Erwann Bocquillon, Vincent Freulon, Jean-Marc Berroir, Pascal Degiovanni, Bernard Plaçais, et al.. Coherence and Indistinguishability of Single Electrons Emitted by Independent Sources. Science, American Association for the Advancement of Science (AAAS), 2013, 339, pp.1059. ⟨10.1126/science.1232572⟩. ⟨ensl-00903726⟩

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