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Title: Magnetic field-induced Fermi surface reconstruction and quantum criticality in CeRhIn 5

Here, we present detailed results of the field evolution of the de Haas–van Alphen (dHvA) effect in CeRhIn 5. A magnetic field-induced reconstruction of the Fermi surface is clearly shown to occur inside the antiferromagnetic state, in an applied field of around B* ≃ 30 T, which is evidenced by the appearance of several new dHvA branches. The angular dependence of the dHvA frequencies reveals that the Fermi surfaces of CeRhIn 5 at B > B* and CeCoIn5 are similar. The results suggest that the Ce-4f electrons in become itinerant at B > B* due to the Kondo effect, prior to the field-induced quantum critical point (QCP) at Bc0 ≃ 50 T. The electronic states at the field-induced QCP are therefore different from that of the pressure-induced QCP where a dramatic Fermi surface reconstruction occurs exactly at the critical pressure, indicating that multiple types of QCP may exist in CeRhIn 5.
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  1. Zhejiang Univ., Hangzhou (China)
  2. Florida State Univ., Tallahassee, FL (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. Zhejiang Univ., Hangzhou (China); Center for Advanced Microstructures, Nanjing (China)
Publication Date:
Report Number(s):
Journal ID: ISSN 1478-6435
Grant/Contract Number:
Accepted Manuscript
Journal Name:
Philosophical Magazine (2003, Print)
Additional Journal Information:
Journal Name: Philosophical Magazine (2003, Print); Journal Volume: 97; Journal Issue: 36; Journal ID: ISSN 1478-6435
Taylor & Francis
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE Office of Science (SC). Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
36 MATERIALS SCIENCE; heavy-fermion metals; quantum critical phenomena; strongly correlated electrons; Fermi surface reconstruction; high magnetic field; quantum oscillation
OSTI Identifier: