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Kondo screening by the surface modes of a strong topological insulator
| hal.structure.identifier | Laboratoire de Physique de l'ENS Lyon [Phys-ENS] | |
| dc.contributor.author | ORIGNAC, Edmond | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | BURDIN, Sébastien | |
| dc.date.created | 2013-04-24 | |
| dc.date.issued | 2013-07-15 | |
| dc.identifier.issn | 1098-0121 | |
| dc.description.abstractEn | We consider a magnetic impurity deposited on the surface of a strong topological insulator and interacting with the surface modes by a Kondo exchange interaction. Taking into account the warping of the Fermi line of the surface modes, we derive a mapping to an effective one-dimensional model and show that the impurity is fully screened by the surface electrons except when the Fermi level lies exactly at the Dirac point. Using an Abrikosov fermion mean-field theory, we calculate the shape of the electronic density Friedel oscillation resulting from the presence of the Kondo screening cloud. We analyze quantitatively the observability of a sixfold symmetry in the Friedel oscillations for two prototype compounds: Bi2Se3 and Bi2Te3. | |
| dc.description.sponsorship | Transport électronique dans les isolants topologiques - ANR-10-BLAN-0419 | |
| dc.language.iso | en | |
| dc.publisher | American Physical Society | |
| dc.subject | Isolants topologiques | |
| dc.subject | états de surface | |
| dc.subject | effet Kondo | |
| dc.subject | oscillations de Friedel | |
| dc.subject.en | Topological insulators | |
| dc.subject.en | surface modes | |
| dc.subject.en | Kondo screening | |
| dc.subject.en | Friedel oscillations | |
| dc.title.en | Kondo screening by the surface modes of a strong topological insulator | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1103/PhysRevB.88.035411 | |
| dc.subject.hal | Physique [physics]/Matière Condensée [cond-mat]/Electrons fortement corrélés [cond-mat.str-el] | |
| dc.identifier.arxiv | 1304.6828 | |
| bordeaux.journal | Physical Review B: Condensed Matter and Materials Physics (1998-2015) | |
| bordeaux.page | 035411 (1-17) | |
| bordeaux.volume | 88 | |
| bordeaux.issue | 3 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | ensl-00842732 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//ensl-00842732v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Review%20B:%20Condensed%20Matter%20and%20Materials%20Physics%20(1998-2015)&rft.date=2013-07-15&rft.volume=88&rft.issue=3&rft.spage=035411%20(1-17)&rft.epage=035411%20(1-17)&rft.eissn=1098-0121&rft.issn=1098-0121&rft.au=ORIGNAC,%20Edmond&BURDIN,%20S%C3%A9bastien&rft.genre=article |
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