CRM: Centro De Giorgi
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Quantum Information and Many-Body Quantum Systems

seminar: Electronic Hong-Ou-Mandel interferometer for multi-mode entanglement detection

speaker: Vittorio Giovannetti ( Scuola Normale Superiore)

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.


timetable:
Fri 30 Mar, 14:30 - 15:00, Aula Dini
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