Zero-field Kondo splitting and quantum-critical transition in double quantum dots

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dc.creatorda Silva, Luis Dias
dc.creatorSandler, Nancy
dc.creatorIngersent, Kevin
dc.creatorUlloa, Sergio
dc.date2006-08-03
dc.date.accessioned2026-07-07T12:33:06Z
dc.date.available2026-07-07T12:33:06Z
dc.descriptionDouble quantum dots offer unique possibilities for the study of many-body correlations. A system containing one Kondo dot and one effectively noninteracting dot maps onto a single-impurity Anderson model with a structured (nonconstant) density of states. Numerical renormalization-group calculations show that while band filtering through the resonant dot splits the Kondo resonance, the singlet ground state is robust. The system can also be continuously tuned to create a pseudogapped density of states and access a quantum critical point separating Kondo and non-Kondo phases.
dc.description4 pages, 4 figures; Accepted for publication in Physical Review Letters
dc.identifierhttps://arxiv.org/abs/cond-mat/0608087
dc.identifierhttp://arxiv.org/abs/cond-mat/0608087
dc.identifierPhys. Rev. Lett. 97 096603 (2006).
dc.identifierdoi:10.1103/PhysRevLett.97.096603
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/217013
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.titleZero-field Kondo splitting and quantum-critical transition in double quantum dots
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