Experimental Realization of the 1D Random Field Ising Model

Bingham, N.  S.; Rooke, S.; Park, J.; Simon, A.; Zhu, W.; Zhang, X.; Batley, J.; Watts, J.  D.; Leighton, C.; Dahmen, K.  A.; Schiffer, P.

doi:10.1103/physrevlett.127.207203

Title: Experimental Realization of the 1D Random Field Ising Model

Abstract

Here we have measured magnetic-field-induced avalanches in a square artificial spin ice array of interacting nanomagnets. Starting from the ground state ordered configuration, we imaged the individual nanomagnet moments after each successive application of an incrementally increasing field. The statistics of the evolution of the moment configuration show good agreement with the canonical one-dimensional random field Ising model. We extract information about the microscopic structure of the arrays from our macroscopic measurements of their collective behavior, demonstrating a process that could be applied to other systems exhibiting avalanches.

Authors:

^[1]; Rooke, S. ^[2]; Park, J. ^[2]; Simon, A. ^[1];

^[1]; Zhang, X. ^[3]; Batley, J. ^[4]; Watts, J. D. ^[4];

^[4]; Dahmen, K. A. ^[2];

^[3]

Yale University, New Haven, CT (United States)
University of Illinois at Urbana-Champaign, IL (United States)
Yale University, New Haven, CT (United States); University of Illinois at Urbana-Champaign, IL (United States)
University of Minnesota, Minneapolis, MN (United States)

Publication Date:: Thu Nov 11 00:00:00 EST 2021

Research Org.:: Univ. of Illinois at Urbana-Champaign, IL (United States); Yale Univ., New Haven, CT (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE); National Science Foundation (NSF)

OSTI Identifier:: 1980230

Grant/Contract Number:: SC0010778; SC0020162; DMR-1807124; DMR-2103711

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 127; Journal Issue: 20; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; spin ice; magnetic force microscopy; random field lsing model

Citation Formats


                    Bingham, N.  S., Rooke, S., Park, J., Simon, A., Zhu, W., Zhang, X., Batley, J., Watts, J.  D., Leighton, C., Dahmen, K.  A., and Schiffer, P. Experimental Realization of the 1D Random Field Ising Model.  United States: N. p., 2021. 
Web.  doi:10.1103/physrevlett.127.207203.

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                    Bingham, N.  S., Rooke, S., Park, J., Simon, A., Zhu, W., Zhang, X., Batley, J., Watts, J.  D., Leighton, C., Dahmen, K.  A., & Schiffer, P. Experimental Realization of the 1D Random Field Ising Model.  United States.  https://doi.org/10.1103/physrevlett.127.207203

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                    Bingham, N.  S., Rooke, S., Park, J., Simon, A., Zhu, W., Zhang, X., Batley, J., Watts, J.  D., Leighton, C., Dahmen, K.  A., and Schiffer, P. Thu .  
"Experimental Realization of the 1D Random Field Ising Model".  United States.  https://doi.org/10.1103/physrevlett.127.207203.  https://www.osti.gov/servlets/purl/1980230.

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@article{osti_1980230,

  title        = {Experimental Realization of the 1D Random Field Ising Model},

  author       = {Bingham, N.  S. and Rooke, S. and Park, J. and Simon, A. and Zhu, W. and Zhang, X. and Batley, J. and Watts, J.  D. and Leighton, C. and Dahmen, K.  A. and Schiffer, P.},

  abstractNote = {Here we have measured magnetic-field-induced avalanches in a square artificial spin ice array of interacting nanomagnets. Starting from the ground state ordered configuration, we imaged the individual nanomagnet moments after each successive application of an incrementally increasing field. The statistics of the evolution of the moment configuration show good agreement with the canonical one-dimensional random field Ising model. We extract information about the microscopic structure of the arrays from our macroscopic measurements of their collective behavior, demonstrating a process that could be applied to other systems exhibiting avalanches.},

  doi          = {10.1103/physrevlett.127.207203},

  journal      = {Physical Review Letters},

  number       = 20,

  volume       = 127,

  place        = {United States},

  year         = {Thu Nov 11 00:00:00 EST 2021},

  month        = {Thu Nov 11 00:00:00 EST 2021}

}

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