Magnetic ac control of the spin textures in a helical Luttinger liquid (Articolo in rivista)

Type
Label
  • Magnetic ac control of the spin textures in a helical Luttinger liquid (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.89.125419 (literal)
Alternative label
  • Dolcetto G.; Cavaliere F.; Sassetti M. (2014)
    Magnetic ac control of the spin textures in a helical Luttinger liquid
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Dolcetto G.; Cavaliere F.; Sassetti M. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84896929824&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 89 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 12 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy; CNR-SPIN, Via Dodecaneso 33, 16146 Genova, Italy; INFN, Via Dodecaneso 33, 16146 Genova, Italy (literal)
Titolo
  • Magnetic ac control of the spin textures in a helical Luttinger liquid (literal)
Abstract
  • We demonstrate the possibility to induce and control peculiar spin textures in a helical Luttinger liquid, by means of a time-dependent magnetic scatterer. The presence of a perturbation that breaks the time-reversal symmetry opens a gap in the spectrum, inducing single-particle backscattering and a peculiar spin response. We show that in the weak backscattering regime asymmetric spin textures emerge at the left and right sides of the scatterer, whose spatial oscillations are controlled by the ratio between the magnetization frequency and the Fermi energy and by the electron interaction. This peculiar spin response marks a strong difference between helical and nonhelical liquids, which are expected to produce symmetric spin textures even in the ac regime. © 2014 American Physical Society. (literal)
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