cond-mat.stat-mech papers

Statistical mechanics explores how the chaotic motion of countless tiny particles gives rise to the predictable laws governing heat, pressure, and phase transitions. This field bridges the gap between the microscopic world of atoms and the macroscopic reality we experience daily, offering deep insights into why materials behave the way they do.

On Gist.Science, we process every new preprint in this category as it appears on arXiv to make these complex findings accessible to everyone. For each paper, we provide both a plain-language explanation for the curious reader and a detailed technical summary for specialists, ensuring that groundbreaking research is never lost behind a wall of jargon.

Below are the latest papers in statistical mechanics, freshly curated and summarized to help you understand the cutting edge of this fascinating discipline.

Strong Disorder Renormalization Group Method for Bond Disordered Antiferromagnetic Quantum Spin Chains with Long Range Interactions: Excited States and Finite Temperature Properties

This paper extends the strong disorder renormalization group method to analyze excited states and finite temperature properties of bond-disordered antiferromagnetic quantum spin chains with both short-range and long-range power-law interactions, deriving key thermodynamic and entanglement characteristics while characterizing the distribution of coupling signs and amplitudes.

Stefan Kettemann2026-03-06⚛️ quant-ph

Transport properties in a model of confined granular mixtures at moderate densities

This paper derives Navier-Stokes hydrodynamic equations and calculates transport coefficients for confined, quasi-two-dimensional mixtures of inelastic hard spheres at moderate densities using the revised Enskog theory, applying the results to analyze thermal diffusion-driven segregation.

David González Méndez, Vicente Garzó2026-03-06🔬 physics

Gradient-based optimization of exact stochastic kinetic models

This paper introduces a gradient-based optimization method using straight-through Gumbel-Softmax estimation to enable efficient parameter inference and inverse design in exact stochastic kinetic models by approximating gradients through continuous relaxation while preserving discrete stochastic dynamics in the forward pass.

Francesco Mottes, Qian-Ze Zhu, Michael P. Brenner2026-03-06🔬 physics

Minimal-backaction work statistics of coherent engines

This paper introduces a dynamic Bayesian network-based measurement scheme that preserves quantum coherence and minimizes backaction to accurately determine work statistics in coherent engines, overcoming the limitations of standard protocols that can disrupt engine operation and invalidate universal fluctuation bounds.

Milton Aguilar, Franklin L. S. Rodrigues, Eric Lutz2026-03-06⚛️ quant-ph

Thermodynamic Phase Transitions in Finite Su-Schrieffer-Heeger Chains: Metastability and Heat Capacity Anomalies

This study investigates the thermodynamic properties of finite Su-Schrieffer-Heeger chains, revealing a distinct metastable phase marked by heat capacity anomalies that emerges from hopping asymmetry and finite-size effects, thereby uncovering a rich bulk phase structure separate from topological boundary-driven transitions.

Carlos Magno da Conceição, Julio César Pérez-Pedraza, Alfredo Raya, Cristian Villavicencio2026-03-06🔬 cond-mat.mes-hall

Necessary conditions for the Markovian Mpemba effect

This paper derives simple necessary conditions on transition rates for the Markovian Mpemba effect in multi-level systems, demonstrating that multiple thermalization time scales enable the anomaly while ruling out sub-Ohmic and Ohmic spectra as candidates due to the maximum entropy principle.

Ido Avitan, Roee Factor, David Gelbwaser-Klimovsky2026-03-06⚛️ quant-ph

Thermodynamics of the ultrafast phase transition of vanadium dioxide

This paper establishes a simple thermodynamic framework using ultrafast pump-probe measurements to demonstrate that the ultrafast insulator-to-metal transition in vanadium dioxide is driven by the population of the full thermal phonon spectrum, particularly high-frequency oxygen modes, rather than a single coherent structural mode.

Shreya Bagchi, Ernest Pastor, José Santiso, Allan S. Johnson, Simon E. Wall2026-03-06🔬 physics.optics

Dissipation-Reliability Tradeoff for Stochastic CMOS Bits in Series

This paper proposes and analyzes a low-voltage error-suppression technique for stochastic CMOS bits by coupling them into chains, demonstrating via tensor network simulations that while inter-unit correlations enhance reliability, increasing bias voltage remains a more energy-efficient path to stability than extending chain length.

Cathryn Murphy, Schuyler Nicholson, Nahuel Freitas, Emanuele Penocchio, Todd Gingrich2026-03-06🔬 physics

Successive single-q and double-q orders in an anisotropic XY model on the diamond structure: a model for quadrupole ordering in PrIr $_2$ Zn $_{20}$

This study utilizes classical Monte Carlo simulations of an effective $\Gamma_3$ quadrupole model on a diamond lattice to demonstrate that the competition between magnetic fields and quadrupole anisotropy, mediated by a crucial symmetry-allowed biquadratic interaction, drives successive single- $q$ and double- $q$ ordering transitions that reproduce the experimentally observed weak-field topology in PrIr $_2$ Zn $_{20}$ .

Kaito Sasa, Kazumasa Hattori2026-03-06🔬 physics

The Statistical Mechanics of Indistinguishable Energy States and the Glass Transition

This paper explores the statistical mechanics of particles in indistinguishable energy states by adapting combinatorial counting methods to derive exact distribution functions, revealing that classical particles within this framework exhibit a definitive glass transition characterized by the vanishing of configurational entropy below a finite temperature.

Shimul Akhanjee2026-03-06✓ Author reviewed ⓘ🔬 physics

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