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

Abstract

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.

Authors:
 [1]; ORCiD logo [2];  [3];  [4];  [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
Publication Date:
Research Org.:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1569742
Report Number(s):
IS-J-9940
Journal ID: ISSN 2469-9950; PRBMDO
Grant/Contract Number:  
SC0013599; AC02-07CH11358; FIS2015-65078-C2; PGC2018-094684-B-C21
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 100; Journal Issue: 9; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY

Citation Formats

Zhai, Qiang, Martin-Mayor, V., Schlagel, Deborah L., Kenning, Gregory G., and Orbach, Raymond L. Slowing down of spin glass correlation length growth: Simulations meet experiments. United States: N. p., 2019. Web. doi:10.1103/PhysRevB.100.094202.
Zhai, Qiang, Martin-Mayor, V., Schlagel, Deborah L., Kenning, Gregory G., & Orbach, Raymond L. Slowing down of spin glass correlation length growth: Simulations meet experiments. United States. doi:10.1103/PhysRevB.100.094202.
Zhai, Qiang, Martin-Mayor, V., Schlagel, Deborah L., Kenning, Gregory G., and Orbach, Raymond L. Tue . "Slowing down of spin glass correlation length growth: Simulations meet experiments". United States. doi:10.1103/PhysRevB.100.094202.
@article{osti_1569742,
title = {Slowing down of spin glass correlation length growth: Simulations meet experiments},
author = {Zhai, Qiang and Martin-Mayor, V. and Schlagel, Deborah L. and Kenning, Gregory G. and Orbach, Raymond L.},
abstractNote = {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.},
doi = {10.1103/PhysRevB.100.094202},
journal = {Physical Review B},
number = 9,
volume = 100,
place = {United States},
year = {2019},
month = {9}
}

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