Spin connection and boundary states in a topological insulator (Articolo in rivista)

Type
Label
  • Spin connection and boundary states in a topological insulator (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.83.075424 (literal)
Alternative label
  • Parente V. (1); Lucignano P (1,2).; Vitale P. (1,3); Tagliacozzo A. (1,2); Guinea F. (4) (2011)
    Spin connection and boundary states in a topological insulator
    in Physical review. B, Condensed matter and materials physics; American Physical Society (APS), College Pk (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Parente V. (1); Lucignano P (1,2).; Vitale P. (1,3); Tagliacozzo A. (1,2); Guinea F. (4) (literal)
Pagina inizio
  • 075424 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prb.aps.org/abstract/PRB/v83/i7/e075424 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 83 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Dipartimento Scienze Fisiche, Università di Napoli Federico II, Via Cintia, I-80126 Napoli, Italy (2) CNR-SPIN, Monte S. Angelo-Via Cintia, I-80126, Napoli, Italy (3) INFN, Via Cintia, I-80126, Napoli, Italy (4) Instituto de Ciencia de Materiales de Madrid (CSIC), Sor Juana Inés de la Cruz 3, E-28049 Madrid, Spain (literal)
Titolo
  • Spin connection and boundary states in a topological insulator (literal)
Abstract
  • We study the surface resistivity of a three-dimensional topological insulator when the boundaries exhibit a nontrivial curvature. We obtain an analytical solution for a spherical topological insulator, and we show that a nontrivial quantum spin connection emerges from the three-dimensional band structure. We analyze the effect of the spin connection on the scattering by a bump on a flat surface. Quantum effects induced by the geometry lead to resonances when the electron wavelength is comparable to the size of the bump. (literal)
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