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dc.contributor.authorSantos, Lea F.
dc.contributor.authorFogarty, Thom ́as
dc.contributor.authorGarcia-March, Miguel Angel
dc.contributor.authorHarshman, N.L.
dc.identifier.citationSantos, L.F., Fogarty, T., Garcia-March, M.A., & Harshman, N.L. (2021, April 27), Probing the edge between integrability and quantum chaos in interacting few-atom systems, arXiv preprint arXiv:2104.12934en_US
dc.descriptionScientific article, pre-print / Open accessen_US
dc.description.abstractInteracting quantum systems in the chaotic domain are at the core of various ongoing studies of many-body physics, ranging from the scrambling of quantum information to the onset of thermalization. We propose a minimum model for chaos that can be experimentally realized with cold atoms trapped in one-dimensional multi-well potentials. We explore the emergence of chaos as the number of particles is increased, starting with as few as two, and as the number of wells is increased, ranging from a double well to a multi-well Kronig-Penney-like system. In this way, we illuminate the narrow boundary between integrability and chaos in a highly tunable few-body system. We show that the competition between the particle interactions and the periodic structure of the confining potential reveals subtle indications of quantum chaos for 3 particles, while for 4 particles stronger signatures are seen. The analysis is performed for bosonic particles and could also be extended to distinguishable fermions.en_US
dc.description.sponsorshipThe authors thank M. Olshanii, T. Busch, A. Fabraand M. Boubakour for insights on integrability and conversations about chaos. TF acknowledges support from JSPS KAKENHI-21K13856 and the Okinawa Institute of Science and Technology Graduate University.We are grateful for the help and support provided by the Scientific Computing and Data Analysis section of Re-search Support Division at OIST. LFS was supported by the NSF grant No.DMR-1936006.M.A.G.M.acknowledges funding from the Spanish Ministry of Education and Vocational Training (MEFP) through the Beatriz Galindo program 2018 (BEAGAL18/00203)and Spanish Ministry MINECO (FIDEUA PID2019-106901GBI00/10.13039/501100011033).en_US
dc.publisherarXiv preprinten_US
dc.relation.ispartofseriesarXiv preprint;arXiv:2104.12934
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 United States*
dc.subjectInteracting quantum systemsen_US
dc.subjectmany-body physicsen_US
dc.subjectInteracting quantum systemsen_US
dc.subjectparticle interactionsen_US
dc.subjectbosonic particlesen_US
dc.subjectdistinguishable fermionsen_US
dc.titleProbing the edge between integrability and quantum chaos in interacting few-atom systems.en_US

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