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

URN to cite this document:: urn:nbn:de:bvb:355-epub-283764
DOI to cite this document:: 10.5283/epub.28376

Engl, Thomas ; Dujardin, Julien ; Argüelles, Arturo ; Schlagheck, Peter ; Richter, Klaus ; Urbina, Juan Diego

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Date of publication of this fulltext: 17 Jun 2013 06:22

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Abstract

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 ...