Dynamics of an impurity in a one-dimensional lattice

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Massel, F.
dc.contributor.author Kantian, A.
dc.contributor.author Daley, A.D.
dc.contributor.author Giamarchi, T.
dc.contributor.author Törmä, P.
dc.date.accessioned 2016-09-16T07:34:47Z
dc.date.issued 2013-04
dc.identifier.citation Massel , F , Kantian , A , Daley , A D , Giamarchi , T & Törmä , P 2013 , ' Dynamics of an impurity in a one-dimensional lattice ' NEW JOURNAL OF PHYSICS , vol 15 , 045018 , pp. 1-25 . DOI: 10.1088/1367-2630/15/4/045018 en
dc.identifier.issn 1367-2630
dc.identifier.other PURE UUID: f9040f97-2b06-4616-946e-09d820b63058
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/dynamics-of-an-impurity-in-a-onedimensional-lattice(f9040f97-2b06-4616-946e-09d820b63058).html
dc.identifier.other PURE LINK: http://iopscience.iop.org/1367-2630/15/4/045018/
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/2260285/pdf.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/21945
dc.description.abstract We study the non-equilibrium dynamics of an impurity in a harmonic trap that is kicked with a well-defined quasi-momentum, and interacts with a bath of free fermions or interacting bosons in a one-dimensional lattice configuration. Using numerical and analytical techniques we investigate the full dynamics beyond linear response, which allows us to quantitatively characterize states of the impurity in the bath for different parameter regimes. These vary from a tightly bound molecular state in a strongly interacting limit to a polaron (dressed impurity) and a free particle for weak interactions, with composite behaviour in the intermediate regime. These dynamics and different parameter regimes should be readily realizable in systems of cold atoms in optical lattices. en
dc.format.extent 25
dc.format.extent 1-25
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries NEW JOURNAL OF PHYSICS en
dc.relation.ispartofseries Volume 15 en
dc.rights openAccess en
dc.subject.other 114 Physical sciences en
dc.subject.other 221 Nanotechnology en
dc.subject.other 214 Mechanical engineering en
dc.subject.other 218 Environmental engineering en
dc.title Dynamics of an impurity in a one-dimensional lattice en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Applied Physics
dc.subject.keyword ultracold quantum gases, impurities, quantum many-body physics, one-dimensional physics
dc.subject.keyword 114 Physical sciences
dc.subject.keyword 221 Nanotechnology
dc.subject.keyword 214 Mechanical engineering
dc.subject.keyword 218 Environmental engineering
dc.identifier.urn URN:NBN:fi:aalto-201609163826
dc.identifier.doi 10.1088/1367-2630/15/4/045018
dc.type.version publishedVersion


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