Riccati equation for simulation of leads in quantum transport (Articolo in rivista)

Type
Label
  • Riccati equation for simulation of leads in quantum transport (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.90.155445 (literal)
Alternative label
  • Bravi M.[ 1 ] ; Farchioni R.[ 2,3 ] ; Grosso G.[ 2,3 ]; Pastori Parravicini G.[ 1,2 ] (2014)
    Riccati equation for simulation of leads in quantum transport
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bravi M.[ 1 ] ; Farchioni R.[ 2,3 ] ; Grosso G.[ 2,3 ]; Pastori Parravicini G.[ 1,2 ] (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84908430751&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 90 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 15 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Univ Pavia, Dept Phys A Volta, I-27100 Pavia, Italy [ 2 ] Univ Pisa, Dept Phys E Fermi, I-56127 Pisa, Italy [ 3 ] CNR, Ist Nanosci, NEST, I-56127 Pisa, Italy (literal)
Titolo
  • Riccati equation for simulation of leads in quantum transport (literal)
Abstract
  • We present a theoretical procedure with numerical demonstration of a workable and efficient method to evaluate the surface Green's function of semi-infinite leads connected to a device. Such a problem always occurs in quantum transport calculations but also in the study of surfaces and heterojunctions. We show here that these semi-infinite leads can be properly described by real-energy Green's functions obtained analytically by a smart solution of the Riccati matrix equation. The performance of our method is demonstrated in the case of a multichain two-dimensional electron-gas system, composed of a central ribbon connected to two semi-infinite leads, pierced by two opposite magnetic fields. (literal)
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