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Berry phase and topological spin transport in the chiral d-density wave state

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dc.contributor.author Kotetes, P en
dc.contributor.author Varelogiannis, G en
dc.date.accessioned 2014-03-01T02:45:58Z
dc.date.available 2014-03-01T02:45:58Z
dc.date.issued 2009 en
dc.identifier.issn 1557-1939 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/32498
dc.subject Berry phase en
dc.subject Chiral d-density wave en
dc.subject Spontaneous spin Hall effect en
dc.subject.classification Physics, Applied en
dc.subject.classification Physics, Condensed Matter en
dc.subject.other Berry phase en
dc.subject.other Chiral d-density wave en
dc.subject.other Density wave states en
dc.subject.other Hall conductances en
dc.subject.other Order parameters en
dc.subject.other Spin currents en
dc.subject.other Spin transports en
dc.subject.other Spontaneous spin Hall effect en
dc.subject.other Topological invariants en
dc.subject.other Zeeman fields en
dc.subject.other Zero temperatures en
dc.subject.other Crystal symmetry en
dc.subject.other Galvanomagnetic effects en
dc.subject.other Gyrators en
dc.subject.other Hall effect en
dc.subject.other Magnetic field effects en
dc.subject.other Topology en
dc.subject.other Spin dynamics en
dc.title Berry phase and topological spin transport in the chiral d-density wave state en
heal.type conferenceItem en
heal.identifier.primary 10.1007/s10948-008-0404-2 en
heal.identifier.secondary http://dx.doi.org/10.1007/s10948-008-0404-2 en
heal.language English en
heal.publicationDate 2009 en
heal.abstract In this paper we demonstrate the possibility of dissipationless spin transport in the chiral d-density wave state, by the sole application of a uniform Zeeman field gradient. The occurrence of these spontaneous spin currents is attributed to the parity (P) and time-reversal ( T ) violation induced by the dxy}+idx2-y2 density wave order parameter. We calculate the spin Hall conductance and reveal its intimate relation to the Berry phase which is generated when the Zeeman field is applied adiabatically. Finally, we demonstrate that in the zero temperature and doping case, the spin Hall conductance is quantized as it becomes a topological invariant. © 2008 Springer Science+Business Media, LLC. en
heal.publisher SPRINGER en
heal.journalName Journal of Superconductivity and Novel Magnetism en
dc.identifier.doi 10.1007/s10948-008-0404-2 en
dc.identifier.isi ISI:000262315900009 en
dc.identifier.volume 22 en
dc.identifier.issue 2 en
dc.identifier.spage 141 en
dc.identifier.epage 145 en


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