Expansion dynamics of the Fulde-Ferrell-Larkin-Ovchinnakov state

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Kajala, Jussi
dc.contributor.author Massel, Francesco
dc.contributor.author Törmä, Päivi
dc.date.accessioned 2016-09-16T09:38:47Z
dc.date.issued 2011-10-10
dc.identifier.citation Kajala , J , Massel , F & Törmä , P 2011 , ' Expansion dynamics of the Fulde-Ferrell-Larkin-Ovchinnakov state ' PHYSICAL REVIEW A , vol 84 , no. 4 , 041601 , pp. 1-4 . DOI: 10.1103/PhysRevA.84.041601 en
dc.identifier.issn 1050-2947
dc.identifier.issn 1094-1622
dc.identifier.other PURE UUID: 0c2db193-171a-4798-9f46-39b17c62ce2c
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/expansion-dynamics-of-the-fuldeferrelllarkinovchinnakov-state(0c2db193-171a-4798-9f46-39b17c62ce2c).html
dc.identifier.other PURE LINK: http://link.aps.org/doi/10.1103/PhysRevA.84.041601
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/2445348/PhysRevA.84.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/21975
dc.description.abstract We consider a two-component Fermi gas in the presence of spin imbalance, modeling the system in terms of a one-dimensional attractive Hubbard Hamiltonian initially in the presence of a confining trap potential. With the aid of the time-evolving block decimation method, we investigate the dynamics of the initial state when the trap is switched off. We show that the dynamics of a gas initially in the Fulde-Ferrel-Larkin-Ovchinnikov (FFLO) state is decomposed into the independent expansion of two fluids, namely the paired and the unpaired particles. In particular, the expansion velocity of the unpaired cloud is shown to be directly related to the FFLO momentum. This provides an unambiguous signature of the FFLO state in a remarkably simple way. en
dc.format.extent 4
dc.format.extent 1-4
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries PHYSICAL REVIEW A en
dc.relation.ispartofseries Volume 84, issue 4 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 Expansion dynamics of the Fulde-Ferrell-Larkin-Ovchinnakov state en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Applied Physics
dc.contributor.department School services, SCI
dc.subject.keyword expansion dynamics
dc.subject.keyword the Fulde-Ferrell-Larkin-Ovchinnikov state
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-201609163857
dc.identifier.doi 10.1103/PhysRevA.84.041601
dc.type.version publishedVersion

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