Topology Induced Macroscopic Quantum Coherence in Josephson Junction Networks

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dc.creatorGiusiano, G.
dc.creatorMancini, F. P.
dc.creatorSodano, P.
dc.creatorTrombettoni, A.
dc.date2004-01-22
dc.date.accessioned2026-07-07T02:56:03Z
dc.date.available2026-07-07T02:56:03Z
dc.descriptionWe argue that Josephson junction networks may be engineered to allow for the emergence of new and robust quantum coherent states. We provide a rather intuitive argument showing how the change in topology may affect the quantum properties of a bosonic particle hopping on a network. As a paradigmatic example, we analyze in detail the quantum and thermodynamic properties of non-interacting bosons hopping on a comb graph. We show how to explicitly compute the inhomogeneities in the distribution of bosons along the comb's fingers, evidencing the effects of the topology induced spatial Bose-Einstein condensation characteristic of the system. We propose an experiment enabling to detect the spatial Bose-Einstein condensation for Josephson networks built on comb graphs.
dc.description10 pages, 7 figures. International Journal of Modern Physics B (2004), in press
dc.identifierhttps://arxiv.org/abs/cond-mat/0401433
dc.identifierhttp://arxiv.org/abs/cond-mat/0401433
dc.identifierInt. J. Mod. Phys. B 18, 691 (2004).
dc.identifierdoi:10.1142/S0217979204024318
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/23168
dc.subjectStatistical Mechanics
dc.titleTopology Induced Macroscopic Quantum Coherence in Josephson Junction Networks
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