Coherence and Indistinguishability of Single Electrons Emitted by Independent Sources
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...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2013-03, Vol.339 (6123), p.1054-1057 |
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| container_title | Science (American Association for the Advancement of Science) |
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| creator | Bocquillon, E. Freulon, V. Berroir, J.-M Degiovanni, P. Plaçais, B. Cavanna, A. Jin, Y. Fève, G. |
| description | 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. |
| doi_str_mv | 10.1126/science.1232572 |
| format | Article |
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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.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.1232572</identifier><identifier>PMID: 23348504</identifier><identifier>CODEN: SCIEAS</identifier><language>eng</language><publisher>Washington, DC: American Association for the Advancement of Science</publisher><subject>Applied sciences ; Atoms & subatomic particles ; Beam splitting ; Coherence ; Coincidence ; Data processing ; Electric current ; Electron emission ; Electronics ; Electrons ; Emittance ; Exact sciences and technology ; Fermions ; Information Processing ; Interference ; Molecular electronics, nanoelectronics ; Noise measurement ; Online ; Photons ; Physics ; Quantum electronics ; Quantum physics ; Research facilities ; Semiconductor electronics. Microelectronics. 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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.</description><subject>Applied sciences</subject><subject>Atoms & subatomic particles</subject><subject>Beam splitting</subject><subject>Coherence</subject><subject>Coincidence</subject><subject>Data processing</subject><subject>Electric current</subject><subject>Electron emission</subject><subject>Electronics</subject><subject>Electrons</subject><subject>Emittance</subject><subject>Exact sciences and technology</subject><subject>Fermions</subject><subject>Information Processing</subject><subject>Interference</subject><subject>Molecular electronics, nanoelectronics</subject><subject>Noise measurement</subject><subject>Online</subject><subject>Photons</subject><subject>Physics</subject><subject>Quantum electronics</subject><subject>Quantum physics</subject><subject>Research facilities</subject><subject>Semiconductor electronics. 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| source | American Association for the Advancement of Science; Jstor Complete Legacy |
| subjects | Applied sciences Atoms & subatomic particles Beam splitting Coherence Coincidence Data processing Electric current Electron emission Electronics Electrons Emittance Exact sciences and technology Fermions Information Processing Interference Molecular electronics, nanoelectronics Noise measurement Online Photons Physics Quantum electronics Quantum physics Research facilities Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Two dimensional Wave packets |
| title | Coherence and Indistinguishability of Single Electrons Emitted by Independent Sources |
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