Kondo Destruction and Quantum Criticality in Kondo Lattice Systems

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dc.citation.articleNumber61005
dc.citation.journalTitleJournal of the Physical Society of Japan
dc.citation.volumeNumber83
dc.contributor.authorSi, Qimiao
dc.contributor.authorPixley, Jedediah H.
dc.contributor.authorNica, Emilian
dc.contributor.authorYamamoto, Seiji J.
dc.contributor.authorGoswami, Pallab
dc.contributor.authorYu, Rong
dc.contributor.authorKirchner, Stefan
dc.date.accessioned2017-06-01T18:53:00Z
dc.date.available2017-06-01T18:53:00Z
dc.date.issued2014
dc.description.abstractConsiderable efforts have been made in recent years to theoretically understand quantum phase transitions in Kondo lattice systems. A particular focus is on Kondo destruction, which leads to quantum criticality that goes beyond the Landau framework of order-parameter fluctuations. This unconventional quantum criticality has provided an understanding of the unusual dynamical scaling observed experimentally. It also predicted a sudden jump of the Fermi surface and an extra (Kondo destruction) energy scale, both of which have been verified by systematic experiments. Considerations of Kondo destruction have in addition yielded a global phase diagram, which has motivated the current interest in heavy fermion materials with variable dimensionality or geometrical frustration. Here we summarize these developments, and discuss some of the ongoing work and open issues. We also consider the implications of these results for superconductivity. Finally, we address the effect of spin–orbit coupling on the global phase diagram, suggest that SmB6 under pressure may display unconventional superconductivity in the transition regime between a Kondo insulator phase and an antiferroamgnetic metal phase, and argue that the interfaces of heavy-fermion heterostructures will provide a fertile setting to explore topological properties of both Kondo insulators and heavy-fermion superconductors.
dc.identifier.citationSi, Qimiao, Pixley, Jedediah H., Nica, Emilian, et al.. "Kondo Destruction and Quantum Criticality in Kondo Lattice Systems." <i>Journal of the Physical Society of Japan,</i> 83, (2014) The Physical Society of Japan: http://dx.doi.org/10.7566/JPSJ.83.061005.
dc.identifier.doihttp://dx.doi.org/10.7566/JPSJ.83.061005
dc.identifier.urihttps://hdl.handle.net/1911/94747
dc.language.isoeng
dc.publisherThe Physical Society of Japan
dc.rightsThis article is available under the terms of theﾠCreative Commons Attribution 4.0 License. Any further distribution of this work must maintain attribution to the author(s) and the title of the article, journal citation, and DOI.
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleKondo Destruction and Quantum Criticality in Kondo Lattice Systems
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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