Tunnelling couplings in discrete lattices, single particle band structure and eigenstates of interacting atom pairs

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dc.creatorPiil, Rune
dc.creatorMolmer, Klaus
dc.date2007-03-22
dc.date.accessioned2026-07-07T08:24:09Z
dc.date.available2026-07-07T08:24:09Z
dc.descriptionBy adjusting the tunnelling couplings over longer than nearest neighbor distances it is possible in discrete lattice models to reproduce the properties of the lowest energy band of a real, continuous periodic potential. We propose to include such terms in problems with interacting particles and we show that they have significant consequences for scattering and bound states of atom pairs in periodic potentials.
dc.description7 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0703573
dc.identifierhttp://arxiv.org/abs/cond-mat/0703573
dc.identifierPhys. Rev. A 76, 023607 (2007)
dc.identifierdoi:10.1103/PhysRevA.76.023607
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/136244
dc.subjectOther Condensed Matter
dc.titleTunnelling couplings in discrete lattices, single particle band structure and eigenstates of interacting atom pairs
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