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

Classical versus quantum Anderson localization in disordered systems

This paper establishes that classical-wave localization in three-dimensional disordered systems constitutes a distinct constrained disorder class governed by the acoustic sum rule, fundamentally differing from standard electronic diagonal disorder and sharing key qualitative features with off-diagonal disorder, thereby necessitating a corrected unified framework for understanding localization in photonic and acoustic media.

Stefano Mossa, Giancarlo Ruocco, Walter Schirmacher2026-06-29

⚛️ quantum physics

Diameter truncated operator evolution

This paper introduces a diameter-based truncation method for simulating operator dynamics in out-of-equilibrium quantum systems, demonstrating through numerical studies of the kicked Ising and Heisenberg XXZ models that this physically motivated approach efficiently and accurately captures local correlation functions and transport properties by restricting simulations to operators supported on small lattice regions.

Tom Holden-Dye, Max Marvell, Joel Mills, Christoper J. Turner, Arijeet Pal2026-06-29

🔬 condensed matter

Breakdown of additivity of transition rates in systems connected to multiple thermal reservoirs

This paper demonstrates that the common assumption of additive transition rates for systems coupled to multiple thermal reservoirs is fundamentally flawed, as it leads to non-Markovian joint dynamics and algebraic inconsistencies in the steady-state condition of the master equation.

Vaibhav Wasnik2026-06-26

🔬 physics

Telomeres in Lamin-A Depleted Cells Exhibit Directed Motion and Dynamic Coherence

This study demonstrates that depleting Lamin-A transforms telomere dynamics from confined, anti-persistent motion to faster, directed, and highly correlated collective movement, highlighting Lamin-A's critical role in regulating both local chromatin confinement and global nuclear organization.

M. Hidalgo-Soria, W. Nicola, Y. Haddad, E. Barkai, S. Burov, Y. Garini2026-06-26

🔬 condensed matter

Analytic theory of shear localization in amorphous solids confined by Couette geometry

This paper presents an analytic theory explaining shear localization in two-dimensional amorphous solids under quasi-static Couette rotation, where stress accumulation triggers plastic avalanches that cause adjacent regions to rotate in opposite directions, enabling a-priori predictions of the resulting displacement fields.

Yang Fu, Yuliang Jin, Itamar Procaccia2026-06-26

🔬 condensed matter

Entropy-production fluctuation theorem for a generalized Langevin particle in crossed electric and magnetic fields

This paper analytically proves that the total entropy production of a non-Markovian charged Brownian particle in a harmonic trap, driven by time-dependent electric fields and subject to a constant magnetic field, obeys a detailed fluctuation theorem under two specific driving protocols.

L. C. González-Morales, I. Pérez Castillo, J. I. Jiménez-Aquino2026-06-26

🔬 condensed matter

Nonreciprocal Blume-Capel Model with Antisymmetric Single-Ion Anisotropies

By combining mean-field theory and Monte Carlo simulations, this study reveals that in a nonreciprocal Blume-Capel model with antisymmetric single-ion anisotropies, vacancy energetics can suppress nonreciprocal dynamics to restore robust static order, while defects in two dimensions induce novel critical behavior and a liquid-gas-like critical point within the ordered phase.

Arjun R, Pratyush Prakash Patra, A. V. Anil Kumar2026-06-26

🔬 condensed matter

Steering Active-Colloid Assembly by Biasing Dissipation

This paper proposes a dissipation bias principle for controlling nonequilibrium self-assembly, demonstrating through active colloids that modulating local rearrangement frequencies and intensities can effectively guide disordered structures into specific target configurations and select among multiple assembly pathways.

Chaoqun Du, Zhiyu Cao, Zhonghuai Hou2026-06-26

⚛️ quantum physics

Measures of Chirality in Mixed-State Topological Phases

This paper demonstrates that conventional diagnostics for chirality fail in mixed-state topological phases and proposes two new relative-entropy-based measures to reliably detect chirality and extract the chiral central charge in decohered systems.

Shijun Sun, Bader Aldossari, Rasmit Devkota, Zhu-Xi Luo2026-06-26

🔬 condensed matter

Odd Diffusion in Three-Dimensional Isotropic Media

This paper demonstrates that odd diffusion, previously thought to be restricted to two dimensions, can occur in isotropic three-dimensional multicomponent systems through a nonlinear constitutive law driven by nonreciprocal three-body interactions, resulting in boundary-driven rotational currents and finite vorticity without external torques.

Viola Zixin Zhao, Andres Franco Valiente, David T. Limmer2026-06-26

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