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Correlated electron physics in multilevel quantum dots: phase transitions, transport, and experiment

Abstract:

We study correlated two-level quantum dots, coupled in effective 1-channel fashion to metallic leads; with electron interactions including on-level and inter-level Coulomb repulsions, as well as the inter-orbital Hund's rule exchange favoring the spin-1 state in the relevant sector of the free dot. For arbitrary dot occupancy, the underlying phases, quantum phase transitions (QPTs), thermodynamics, single-particle dynamics and electronic transport properties are considered; and direct compari...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.80.125117

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Wright, CJ More by this author
Galpin, MR More by this author
Journal:
Phys. Rev. B
Volume:
80
Issue:
12
Pages:
125117
Publication date:
2009-06-17
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:ddacf6f2-d283-473e-b5d7-847f88607594
Source identifiers:
41393
Local pid:
pubs:41393
Language:
English
Keywords:

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