Evidence for a delocalization quantum phase transition without symmetry breaking in CeCoIn 5
Year: 2022
Type: article
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
Source: Science
Authors: Nikola Maksimovic, Daniel H. Eilbott, Tessa Cookmeyer, Fanghui Wan, Jan Rusz, Vikram Nagarajan, Shannon C. Haley, Eran Maniv, Amanda Gong, Stefano Faubel, Ian M. Hayes, Ali Bangura, John Singleton, Johanna C. Palmstrom, Laurel Winter, Ross McDonald, Sooyoung Jang, Ping Ai, Yi Lin, Samuel Ciocys, Jacob Gobbo, Yochai Werman, Peter M. Oppeneer, Ehud Altman, Alessandra Lanzara, James G. Analytis
Language: English
Subfield: Condensed Matter Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Funders: National Science Foundation, U.S. Department of Energy, Gordon and Betty Moore Foundation, National High Magnetic Field Laboratory, National Science Council, Vetenskapsrådet, Office of Science, Division of Materials Research, Basic Energy Sciences, High Magnetic Field Laboratory, Chinese Academy of Sciences, Lawrence Berkeley National Laboratory
Awards: G1138554163, G1143651532, G1222747868, G1286236842, G1286251239, National High Magnetic Field Laboratory Renewal 2018-2022, Graduate Research Fellowship Program (GRFP), G30714459, G3219505319, G354028113, G3560959519, G410635398, G419881185, G42916606, G498139845, G512830357, G6010147111, G650090426, James Analytis Materials Synthesis Investigator, G7214215584, G969889393
OpenAlex ID: W4221069362