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Coherent Backscattering in Fock Space: a Signature of Quantum Many-Body Interference in Interacting Bosonic Systems

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Engl, Thomas ; Dujardin, Julien ; Argüelles, Arturo ; Schlagheck, Peter ; Richter, Klaus ; Urbina, Juan Diego
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arXiv PDF (13.06.2013)
Date of publication of this fulltext: 17 Jun 2013 06:22


We predict a generic signature of quantum interference in many-body bosonic systems resulting in a coherent enhancement of the average return probability in Fock space. This enhancement is robust with respect to variations of external parameters even though it represents a dynamical manifestation of the delicate superposition principle in Fock space. It is a genuine quantum many-body effect that ...


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