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Electronic Hong-Ou-Mandel interferometer for multi-mode entanglement detection | | Vittorio Giovannetti
; Diego Frustaglia
; Fabio Taddei
; Rosario Fazio
; | | Date: |
15 Jun 2006 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | | Abstract: | We show that multi-mode entanglement of electrons in a mesoscopic conductor can be detected by a measurement of the zero-frequency current correlations in an electronic Hong-Ou-Mandel interferometer. By this mean, one can further establish a lower bound to the entanglement of formation of two-electron input states. Our results extend the work of Burkard and Loss [Phys. Rev. Lett. 91, 087903 (2003)] to many channels and provide a way to test the existence of entangled states involving both orbital and spin degrees of freedom. | | Source: | arXiv, cond-mat/0606413 | | Services: | Forum | Review | PDF | Favorites | |
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