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Phonon-Induced Pairing in Quantum Dot Quantum Simulator
| hal.structure.identifier | Institut de Ciencies Fotoniques [Castelldefels] [ICFO] | |
| hal.structure.identifier | Max-Planck-Institut für Quantenoptik [MPQ] | |
| dc.contributor.author | BHATTACHARYA, Utso | |
| hal.structure.identifier | Institut de Ciencies Fotoniques [Castelldefels] [ICFO] | |
| dc.contributor.author | GRASS, Tobias | |
| hal.structure.identifier | Institut de Ciencies Fotoniques [Castelldefels] [ICFO] | |
| dc.contributor.author | BACHTOLD, Adrian | |
| hal.structure.identifier | Institut de Ciencies Fotoniques [Castelldefels] [ICFO] | |
| hal.structure.identifier | Institució Catalana de Recerca i Estudis Avançats = Catalan Institution for Research and Advanced Studies [ICREA] | |
| dc.contributor.author | LEWENSTEIN, Maciej | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | PISTOLESI, Fabio | |
| dc.date.issued | 2021 | |
| dc.identifier.issn | 1530-6984 | |
| dc.description.abstractEn | Quantum simulations can provide new insights into the physics of strongly correlated electronic systems. A well-studied system, but still open in many regards, is the Hubbard−Holstein Hamiltonian, where electronic repulsion is in competition with attraction generated by the electron−phonon coupling. In this context, we study the behavior of four quantum dots in a suspended carbon nanotube and coupled to its flexural degrees of freedom. The system is described by a Hamiltonian of the Hubbard−Holstein class, where electrons on different sites interact with the same phonon. We find that the system presents a transition from the Mott insulating state to a polaronic state, with the appearance of pairing correlations and the breaking of the translational symmetry. These findings will motivate further theoretical and experimental efforts to employ nanoelectromechanical systems to simulate strongly correlated systems with electron−phonon interactions. | |
| dc.description.sponsorship | Nano-optomécanique en cavité dans le régime de couplage ultrafort. - ANR-19-CE47-0012 | |
| dc.language.iso | en | |
| dc.publisher | American Chemical Society | |
| dc.subject.en | superconductivity | |
| dc.subject.en | electron−phonon coupling | |
| dc.subject.en | charge order | |
| dc.subject.en | nanotubes | |
| dc.subject.en | Quantum simulation | |
| dc.title.en | Phonon-Induced Pairing in Quantum Dot Quantum Simulator | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1021/acs.nanolett.1c03457 | |
| dc.subject.hal | Physique [physics]/Matière Condensée [cond-mat]/Systèmes mésoscopiques et effet Hall quantique [cond-mat.mes-hall] | |
| dc.identifier.arxiv | 2106.09418 | |
| bordeaux.journal | Nano Letters | |
| bordeaux.page | 9661 - 9667 | |
| bordeaux.volume | 21 | |
| bordeaux.issue | 22 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-03464766 | |
| hal.version | 1 | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-03464766v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Nano%20Letters&rft.date=2021&rft.volume=21&rft.issue=22&rft.spage=9661%20-%209667&rft.epage=9661%20-%209667&rft.eissn=1530-6984&rft.issn=1530-6984&rft.au=BHATTACHARYA,%20Utso&GRASS,%20Tobias&BACHTOLD,%20Adrian&LEWENSTEIN,%20Maciej&PISTOLESI,%20Fabio&rft.genre=article |
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