1593 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.
These pedagogical lecture notes introduce Zubarev's 1960 double-time Green's function technique, demonstrating its application to non-interacting gases, the Hubbard model's Stoner criterion for ferromagnetism, and superconductivity for readers with only a basic understanding of second quantization.
This paper provides a survey of experimental evidence and presents a general theoretical approach for describing mesoscopic fluctuations—nanoscale variations distinct from their surroundings that occur across diverse systems ranging from condensed matter to biological and social networks.
This paper demonstrates that frictional work in spin chains is quantified by diagonal entropy production or quantum relative entropy depending on the driving speed, and reveals that while integrability breaking can enhance work extraction in the adiabatic limit, it degrades performance under sufficiently non-adiabatic conditions.
This paper demonstrates that the splitting probability of a monitored continuous-time quantum walk with two targets undergoes a nonanalytic phase transition controlled by the sampling time, exhibiting a universal 1/2 value below a critical threshold and a complex, nonuniversal fluctuating regime above it, a phenomenon explained by mapping the problem onto single-target detection scenarios via the superposition principle.
This paper proposes SBO-QAOA, a temperature-targeted quantum algorithm based on quantum-classical correspondence theory that achieves fair sampling of degenerate ground states by converging to a uniform Gibbs distribution, overcoming the biases inherent in standard QAOA even with minimal variational parameters.
This paper demonstrates that intermittent resetting strategies, particularly those with fluctuating (annealed) coordinates, significantly optimize the search time of active Brownian walkers in noisy, confined environments by mitigating inherent search time fluctuations.
This paper introduces a generalized BBGKY hierarchy based on quasiparticle densities to exactly describe the non-thermal dynamics of many-body systems combining integrable contact interactions with long-range potentials, successfully explaining experimental observations in dipolar quantum gases and extending the framework to a wide class of strongly interacting systems.
This paper introduces a robust method based on a generalized many-body Arrhenius law to identify and quantify metastable intermediate states in interacting particle systems, offering a framework to validate predictions in experimental platforms like colloidal transport and macromolecular translocation.
This study investigates how packing protocols, size ratios, and pore structures influence fractal exponents in dense polydisperse disk packings, revealing that while larger size ratios reduce finite size effects and improve exponent consistency, the presence of large cavities in constant pressure packings lowers configuration entropy and causes deviations in fractal exponents compared to Delaunay triangulation packings.
This paper investigates how spatial modulation of noise and gate parameters in hybrid random Clifford circuits alters purification phase transitions, revealing that such non-uniformity changes the criticality exponents via the Harris criterion and can induce a distinct short-range entangled pure phase.