2356 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.
This paper investigates the short-time behavior of biased continuous-time random walks with Gaussian and discrete displacements, demonstrating that the introduction of a bias leads to exponential decay in the far tails of the position distribution and analyzing the convergence of theoretical predictions through temporal and positional rate functions.
This paper demonstrates a quantum tunneling Mpemba effect in a dissipative double-well potential, where particles prepared at higher temperatures relax faster in terms of spectral weights due to the enhanced population of rapidly decaying excited states, while the normalized conditional state's trace distance shows no such crossing, confirming the phenomenon as a specific spectral rather than universal relaxation anomaly.
This paper investigates the entanglement of low-energy excited states in (1+1)-dimensional conformal field theories following projective measurements on spatial intervals, deriving a framework where post-measurement Rényi entropy is expressed as normalized boundary-CFT correlation functions and applying it to compact free boson models to reveal phase-sensitive interference effects and current hafnians, while also proposing numerical validation methods using critical XX chains.
This paper introduces a mechanism for engineering long-lived moment-selective temporal designs in aperiodic quantum systems, where hierarchically structured drives constrained by finite symmetry groups allow lower-order moments to reproduce Haar statistics while specific higher-order deviations persist exponentially long under small static detuning, a phenomenon demonstrated through Fibonacci and silver-mean qubit constructions.
This paper demonstrates that embedding classical random walks on the symmetric group into a quantum stochastic framework, where coherent dynamics compete with dissipative mixing, allows quantum coherence to accelerate the convergence to a uniform distribution, with numerical results revealing a universal scaling law for this speedup.
This study combines fundamental measure theory and Monte Carlo simulations to demonstrate that polydispersity in hard board-like particle fluids enhances uniaxial-uniaxial demixing, expands the stability region of the biaxial nematic phase, and enables specific two-phase coexistence paths, with simulations confirming the theoretical phase diagram topology despite quantitative shifts in transition densities.
This paper investigates the far-from-equilibrium dynamics of domain walls in the integrable classical anisotropic Landau-Lifshitz spin chain, deriving a magnon dispersion that reveals a crossover from diffusive to ballistic propagation and a unique broadening regime driven by a sign-changing cubic correction at a critical anisotropy of .
This paper introduces the theoretical framework of open quantum systems, covering the physical origins of decoherence and dissipation, the development of reduced dynamics and quantum master equations linked to quantum thermodynamics, and includes exercises to equip readers with tools for modeling and analyzing open quantum dynamics.
This paper demonstrates that the effective temperature required for classical LiF simulations to reproduce low-temperature experimental spectra arises naturally from quantum vibrational statistics, specifically zero-point motion and Planck-Bose-Einstein statistics, by matching classical and quantum harmonic energies.
This paper establishes lower comparison bounds and regularity properties for disorder-averaged ferromagnetic XY models by leveraging Ginibre's inequality and Jensen-type arguments to analyze the effects of random couplings and site dilution on phase transitions and susceptibility thresholds in two dimensions.