Simple models for memory in disordered materials

ORAL · Invited

Abstract

The effect of oscillatory driving on avalanches and memory effects are compared in a variety of theoretical and experimental systems. Models for magnets, neurons, and amorphous systems suggest different kinds of memory that are seen in experiments on magnets, martensites, crystals, and other systems. Resonance effects are analyzed for bulk metallic glasses and friction. For applications, oscillatory driving may be used to forecast catastrophic events in many contexts, ranging from laboratory systems to earthquakes.

* We gratefully acknowledge support from NSF, DOE, and the Guggenheim Memorial Foundation.

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Publication: "Reversible to irreversible transitions in periodic driven many body systems and future directions for classical and quantum systems", C. Reichhardt, I. Regev, K. A. Dahmen, S. Okuma, and C. J. O. Reichhardt, Phys. Rev. Research 5, 021001, (2023).
"Recurrent activity in neuronal avalanches", T. Salners, K.E. Avila, B. Nicholson, C.R. Myers, J. Beggs, and K.A. Dahmen, Scientific Reports 13, 4871 (2023).
"Period multiplication cascade at the order-by-disorder transition in uniaxial random field XY magnets", S. Basak, K. A. Dahmen, E. W. Carlson. Nature Commun. 11, 4665 (2020).
"The topology of the energy landscape of sheared amorphous solids and the irreversibility transition", I. Regev, I. Attia, K. Dahmen, S. Sastry, and M. Mungan. Phys. Rev. E 103, 062614 (2021).
"Networks and hierarchies: How amorphous materials learn to remember", M. Mungan, S. Sastry, K. Dahmen, and I. Regev. , Phys. Rev. Lett. 123, 178002 (2019).
"Force oscillations distort avalanche shapes", L. W. McFaul, W. J. Wright, J. Sickle and K. A. Dahmen, Mater. Res. Lett. 7, 496-502 (2019).
"Applied-force oscillations in avalanche dynamics", L. W. McFaul, IV, G. Sparks, J. Sickle, J. T. Uhl, W. J. Wright, R. Maass, and K. A. Dahmen. Phys. Rev. E 101, 053003 (2020).
"Yield precursor dislocation avalanches in small crystals: the irreversibility transition", X. Ni, H. Zhang, D. B. Liarte, L. W. McFaul, K. A. Dahmen, J. P. Sethna, J. R. Greer", Phys. Rev. Lett., 123, 035501 (2019).
"Probing failure susceptibilities of earthquake faults using small-quake tidal correlations", B. Brinkman, M. LeBlanc, Y. Ben-Zion, J. T. Uhl, and K. A. Dahmen, Nat. Commun. 6, 6157 (2015).
"Reversibility and Criticality in Amorphous Solids", I. Regev, K. A. Dahmen, J. Weber, C. Reichhardt, and T. Lookman, Nat. Commun. 6, 8805 (2015).
"Micromechanical model for deformation in solids with universal predictions for stress strain curves and slip avalanches", K. A. Dahmen, Y. Ben-Zion and J. T. Uhl, Phys. Rev. Lett., 102, 175501 (2009)
"Crackling noise", J. P. Sethna, K. A. Dahmen, and C. R. Myers, Nature 410, 242-250 (2001).
"Memory", S. Mansingh, K. A. Dahmen, et. al., to be published.

Presenters

  • Karin A Dahmen

    University of Illinois at Urbana-Champaign

Authors

  • Karin A Dahmen

    University of Illinois at Urbana-Champaign