Surface code logical qubits in continuous baths have a true thermodynamic error threshold only for short-range interactions, as their decoherence maps exactly to the anisotropic Kondo model.
Heavy fermions and the kondo lattice: a 21st century perspective
3 Pith papers cite this work, alongside 37 external citations. Polarity classification is still indexing.
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abstract
These lecture notes give a brief introduction to heavy fermion physics, emphasizing aspects of particular modern interest. Following an introduction to the Kondo effect and the phenomenology of heavy fermions, the article introduces Kondo insulators, the simplest heavy fermions; the large N expansion for the Kondo lattice; heavy fermion superconductivity including the symplectic N approach; topological Kondo insulators and finally a discussion of the challenge of understanding the co-existence of magnetism and the Kondo effect.
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In CsCr6Sb6, Mott splitting of the kagome flat band creates local moments that hybridize with conduction electrons at low temperature, shown by temperature-dependent STS Fano lineshapes near EF and ARPES quasiparticle peaks that vanish together while high-energy humps persist.
DFT+DMFT with a multi-orbital iterative perturbation theory solver shows that low-energy spectra and transport of SrVO3 are governed by a single quasiparticle weight Z, yielding reasonable experimental agreement insensitive to specific (U,J) parameters.
citing papers explorer
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Quantum Decoherence of the Surface Code: A Generalized Caldeira-Leggett Approach
Surface code logical qubits in continuous baths have a true thermodynamic error threshold only for short-range interactions, as their decoherence maps exactly to the anisotropic Kondo model.
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Mott-Derived Local Moments and Kondo Hybridization in a d-electron Kagome lattice
In CsCr6Sb6, Mott splitting of the kagome flat band creates local moments that hybridize with conduction electrons at low temperature, shown by temperature-dependent STS Fano lineshapes near EF and ARPES quasiparticle peaks that vanish together while high-energy humps persist.
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Quantitative DFT+DMFT description of spectra and transport in the moderately correlated metal SrVO$_3$
DFT+DMFT with a multi-orbital iterative perturbation theory solver shows that low-energy spectra and transport of SrVO3 are governed by a single quasiparticle weight Z, yielding reasonable experimental agreement insensitive to specific (U,J) parameters.