Topological Fermi arcs in superfluid 3He

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Silaev, M.A. Volovik, G.E. 2017-08-03T12:09:50Z 2017-08-03T12:09:50Z 2012
dc.identifier.citation Silaev , M A & Volovik , G E 2012 , ' Topological Fermi arcs in superfluid 3He ' PHYSICAL REVIEW B , vol 86 , no. 21 , 214511 , pp. 1-8 . DOI: 10.1103/PhysRevB.86.214511 en
dc.identifier.issn 1098-0121
dc.identifier.issn 1550-235X
dc.identifier.other PURE UUID: 9854a36e-dc5a-4845-a515-70daa6125116
dc.identifier.other PURE ITEMURL:
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dc.description.abstract We consider fermionic states bound on domain walls in a Weyl superfluid 3He-A and on interfaces between 3He-A and a fully gapped topological superfluid 3He-B. We demonstrate that in both cases the fermionic spectrum contains Fermi arcs that are continuous nodal lines of energy spectrum terminating at the projections of two Weyl points to the plane of surface states in momentum space. The number of Fermi arcs is determined by the index theorem that relates bulk values of the topological invariant to the number of zero-energy surface states. The index theorem is consistent with an exact spectrum of Bogolubov-de Gennes equation obtained numerically, meanwhile, the quasiclassical approximation fails to reproduce the correct number of zero modes. Thus we demonstrate that topology describes the properties of the exact spectrum beyond the quasiclassical approximation. en
dc.format.extent 1-8
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries PHYSICAL REVIEW B en
dc.relation.ispartofseries Volume 86, issue 21 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 Topological Fermi arcs in superfluid 3He en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
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-201708036371
dc.identifier.doi 10.1103/PhysRevB.86.214511
dc.type.version publishedVersion

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