Evidence for a delocalization quantum phase transition without symmetry breaking in CeCoIn <sub>5</sub>-Reference-Cited by-同舟云学术

Evidence for a delocalization quantum phase transition without symmetry breaking in CeCoIn ₅

Published:2022-01-07 Issue:6576 Volume:375 Page:76-81
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Maksimovic Nikola¹²^ORCID,Eilbott Daniel H.¹²^ORCID,Cookmeyer Tessa¹²^ORCID,Wan Fanghui¹²,Rusz Jan³^ORCID,Nagarajan Vikram¹²^ORCID,Haley Shannon C.¹²^ORCID,Maniv Eran¹²^ORCID,Gong Amanda¹²^ORCID,Faubel Stefano¹²,Hayes Ian M.¹²^ORCID,Bangura Ali⁴,Singleton John⁵^ORCID,Palmstrom Johanna C.⁵^ORCID,Winter Laurel⁵^ORCID,McDonald Ross⁵^ORCID,Jang Sooyoung¹²^ORCID,Ai Ping²,Lin Yi²^ORCID,Ciocys Samuel¹²^ORCID,Gobbo Jacob¹²,Werman Yochai¹²,Oppeneer Peter M.³^ORCID,Altman Ehud¹²^ORCID,Lanzara Alessandra¹²^ORCID,Analytis James G.¹²^ORCID

Affiliation:

1. Department of Physics, University of California, Berkeley, Berkeley, CA 94720, USA.

2. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

3. Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden.

4. National High Magnetic Field Laboratory, Tallahassee, FL 32310, USA.

5. National High Magnetic Field Laboratory, Los Alamos, NM 97545, USA.

Abstract

A gentle reconstruction Changes in the volume of a material’s Fermi surface are typically associated with the breaking of symmetry. Maksimovic et al . found evidence for an unusual type of this Fermi surface reconstruction, one without symmetry breaking, in the heavy fermion compound cerium cobalt indium (CeCoIn 5 ). Doping the material with tin led to abrupt changes in Hall effect, quantum oscillation, and photoemission signals. The researchers interpret the findings in terms of the delocalization of f-electrons associated with cerium atoms. —JS

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference43 articles.

1. Heavy-fermion superconductivity in CeCoIn5at 2.3 K

2. Avoided Antiferromagnetic Order and Quantum Critical Point inCeCoIn5

3. Field-Induced Quantum Critical Point inCeCoIn5

4. Unusual Hall effect in quasi two-dimensional strongly correlated metal CeCoIn5

5. Quasi-two-dimensional Fermi surfaces and the de Haas-van Alphen oscillation in both the normal and superconducting mixed states of CeCoIn5

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