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Title: Slowing down of spin glass correlation length growth: Simulations meet experiments

Journal Article · · Physical Review B
 [1]; ORCiD logo [2];  [3];  [4]; ORCiD logo [1]
  1. Univ. of Texas, Austin, TX (United States). Texas Materials Inst.
  2. Univ. Complutense Madrid (Spain). Dept. de Física Teórica; Inst. de Biocomputación y Física de Sistemas Complejos, Zaragoza (Spain)
  3. Ames Lab., Ames, IA (United States). Division of Materials Science and Engineering
  4. Pennsylvania State Univ., University Park, PA (United States). Dept. of Physics

The growth of the spin glass correlation length has been measured as a function of the waiting time $$t_ w$$ on a single crystal of CuMn (6 at. %), reaching values $ξ ~ 150$ nm, larger than any other glassy correlation length measured to date. We find an aging rate $d ln $$t_w/d ln $$ξ$$ larger than found in previous measurements, which evinces a dynamic slowing down as $$ξ$$ grows. Our measured aging rate is compared with simulation results by the Janus Collaboration. After critical effects are taken into account, we find excellent agreement with the Janus data.

Research Organization:
Ames Lab., Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0013599; AC02-07CH11358; FIS2015-65078-C2; PGC2018-094684-B-C21
OSTI ID:
1593957
Alternate ID(s):
OSTI ID: 1569742
Report Number(s):
IS-J-9940; PRBMDO; TRN: US2100774
Journal Information:
Physical Review B, Vol. 100, Issue 9; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

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