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.

🔬 condensed matter

Numerical simulations of the spread from the mean of the SLE and Multiple SLE dynamics

This paper presents numerical simulations using Euler's Method to analyze the spread of Schramm-Loewner Evolution (SLE) and Multiple SLE dynamics from their mean behavior, revealing that the distribution of deviations is bimodal or bell-shaped depending on the initial position and parameter $\kappa$ in standard SLE, while remaining consistently bell-shaped for Multiple SLE driven by Dyson Brownian Motion across varying $\beta$ parameters.

Phillip Kim, Vlad Margarint2026-06-11

🔬 condensed matter

Exact Dynamics of Topological Order Across a CDW--SPT Transition

This paper investigates the nonequilibrium dynamics of a one-dimensional system transitioning from a charge-density-wave to a symmetry-protected topological phase, demonstrating that while both sudden quenches and slow ramps melt the initial order, only slow ramps successfully establish topological order by suppressing excitation production, whereas quenches fail due to a finite density of defects.

Pradip Kattel, Yicheng Tang, Natan Andrei2026-06-11

🔬 condensed matter

Universal critical behavior in ideal Bose-Einstein condensation

This paper establishes a unified framework demonstrating that the critical behavior of ideal Bose-Einstein condensation falls into three distinct classes determined solely by the low-energy scaling of the density of states, which is governed by dimensionality and confinement.

Arturo Camacho-Guardian, Leon Kleebank, Frank Vewinger, Martin Weitz, Julian Schmitt, Rosario Paredes, Victor Romero-Roc (…)2026-06-11

🔬 condensed matter

Compressed minimum-purity time evolution for late-time quantum dynamics

This paper introduces the Compressed Minimum-Purity Time Evolution (CoMPuTE) method, which maintains accurate long-time quantum dynamics by evolving reduced local density matrices under a minimum-purity principle, thereby achieving computational efficiency and enabling the study of late-time phenomena like energy diffusion in higher-dimensional systems.

Moksh Bhateja, Jonas B. Rigo, Markus Schmitt2026-06-11

🔬 condensed matter

A stochastic model for elastoplastic contact of rough surfaces incorporating scale-dependent hardness

This paper presents a novel stochastic model based on compounded Chapman-Kolmogorov equations to analyze elastoplastic contact of rough surfaces by incorporating scale-dependent hardness, thereby predicting contact status evolution across scales and offering new insights for multidisciplinary fields involving multiscale roughness.

Yang Xu, Hengxu Song, Jianqiao Hu2026-06-11

⚛️ quantum physics

Tensor-Network Algorithm for Many-Body Trace Norms

This paper introduces a controlled tensor-network algorithm that combines Zolotarev's rational approximation with a variational DMRG-like approach to efficiently and accurately estimate trace norms of matrix product operators in many-body systems, overcoming the computational bottlenecks of full diagonalization and enabling practical studies of mixed-state quantum information quantities like entanglement negativity and quantum fidelity.

Seunghun Lee, Eun-Gook Moon2026-06-11

🔬 condensed matter

Perspective: The Physics of Active Solids -- From Hamiltonians to Active Matter Models

This perspective article proposes a novel theoretical framework utilizing active Hamiltonian models to bridge the gap between equilibrium and non-equilibrium physics, aiming to explain anomalous long-wavelength fluctuations and the correspondence between activity-induced annealing and oscillatory shear in dense active solids.

Antik Bhattacharya, Jürgen Horbach, Smarajit Karmakar2026-06-11

🔬 condensed matter

Estimation of conserved charges for a one dimensional system with inhomogeneous hopping

This paper demonstrates that integrable matrix theory can effectively estimate conserved charges in a one-dimensional single-particle system with inhomogeneous hopping, revealing that the number of such charges serves as a quantitative measure of quantum integrability across the chaotic-to-integrable crossover.

Triparna Mondal2026-06-11

🔬 condensed matter

Path convergence in diffusion models

This paper investigates the convergence of diffusion model paths as the number of target patterns increases, demonstrating that while the convergence rate scales as $1/\sqrt{p}$ with infinite mean square deviation, it enables a novel extrapolation strategy for density estimation and generalization towards the ideal infinite-pattern limit.

Roi Holtzman, Roman Beauvallet, Werner Krauth2026-06-11

🔬 condensed matter

Mass generation at a fixed point: A Functional Renormalization Group Study of the tricritical O( $N$ ) model in $d=3$ and $N=\infty$

Using the functional renormalization group, this paper demonstrates that in the tricritical $O(N)$ model in $d=3$ with $N\to\infty$ , the singular endpoint of the Bardeen-Moshe-Bander line of fixed points exhibits a breakdown of scale invariance through nonuniversal mass generation driven by a nonanalytic effective potential, causing the critical exponent $\nu$ to jump from $1/2$ to $1/3$ .

Shunsuke Yabunaka, bertrand Delamotte2026-06-11

← Previous Next →

cond-mat.stat-mech

Numerical simulations of the spread from the mean of the SLE and Multiple SLE dynamics

Exact Dynamics of Topological Order Across a CDW--SPT Transition

Universal critical behavior in ideal Bose-Einstein condensation

Compressed minimum-purity time evolution for late-time quantum dynamics

A stochastic model for elastoplastic contact of rough surfaces incorporating scale-dependent hardness

Tensor-Network Algorithm for Many-Body Trace Norms

Perspective: The Physics of Active Solids -- From Hamiltonians to Active Matter Models

Estimation of conserved charges for a one dimensional system with inhomogeneous hopping

Path convergence in diffusion models

Mass generation at a fixed point: A Functional Renormalization Group Study of the tricritical O(NNN) model in d=3d=3d=3 and N=∞N=\inftyN=∞

Mass generation at a fixed point: A Functional Renormalization Group Study of the tricritical O( $N$ ) model in $d=3$ and $N=\infty$