Order parameter for non-equilibrium dissipation and ideal glass

Glass materials, as quintessential non-equilibrium systems, exhibit properties such as energy dissipation that are highly sensitive to their preparation histories. A key challenge has been identifying a unified order parameter to rationalize these properties. Here, we demonstrate that a configurational distance metric can effectively collapse energy dissipation data across diverse preparation histories and testing protocols, including varying cooling rates, aging processes, probing times, and the amplitudes of mechanical excitation, as long as the temperature remains above the kinetic ideal glass transition temperature (where the extrapolated structural relaxation time diverges). Our results provide a unified description of the non-equilibrium dissipation and suggest that the putative concept of the kinetic ideal glass transition is imprinted in material characteristics.

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Publication Details

Journal
Reports on Progress in Physics
Published
2025-10-31
DOI
https://doi.org/10.1088/1361-6633/ae1a15
Primary Topic
Material Dynamics and Properties
Type
article
Field-Weighted Citation Impact
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article

Order parameter for non-equilibrium dissipation and ideal glass

Liang Gao, Hai‐Bin Yu, J. Z. Jiang
Reports on Progress in Physics
Material Dynamics and Properties
article

Order parameter for non-equilibrium dissipation and ideal glass

Liang Gao, Hai‐Bin Yu, J. Z. Jiang
article en

Abstract

Glass materials, as quintessential non-equilibrium systems, exhibit properties such as energy dissipation that are highly sensitive to their preparation histories. A key challenge has been identifying a unified order parameter to rationalize these properties. Here, we demonstrate that a configurational distance metric can effectively collapse energy dissipation data across diverse preparation histories and testing protocols, including varying cooling rates, aging processes, probing times, and the amplitudes of mechanical excitation, as long as the temperature remains above the kinetic ideal glass transition temperature (where the extrapolated structural relaxation time diverges). Our results provide a unified description of the non-equilibrium dissipation and suggest that the putative concept of the kinetic ideal glass transition is imprinted in material characteristics.

Reports on Progress in PhysicsVol. 88(11)
Huazhong University of Science and Technology (CN)
Openalex Percentile: Top 75%
Material Dynamics and Properties
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Order parameter for non-equilibrium dissipation and ideal glass — Liang Gao, Hai‐Bin Yu, et al. · Reports on Progress in Physics (2025) | TGRS Research Map | TGRS