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We consider binary liquid mixtures near their critical consolute points and exposed to geometrically flat but chemically structured substrates. The chemical contrast between the various substrate structures amounts to opposite local…

软凝聚态物质 · 物理学 2009-11-11 Monika Sprenger , Frank Schlesener , S. Dietrich

Due to the finite size effects, the localisation of the phase transition in finite systems and the determination of its order, become an extremely difficult task, even in the simplest known cases. In order to identify and locate the finite…

高能物理 - 唯象学 · 物理学 2015-10-28 M. Ladrem , M. A. A. Ahmed , Z. Al-Full , S. Cherif

A criterion to locate tricritical points in phase diagrams is proposed. The criterion is formulated in the framework of the Elementary Catastrophe Theory and encompasses all the existing criteria in that it applies to systems described by a…

软凝聚态物质 · 物理学 2008-08-27 Livio Gibelli , Stefano Turzi

This paper addresses the numerical computation of critical angles between two convex cones in finite-dimensional Euclidean spaces. We present a novel approach to computing these critical angles by reducing the problem to finding stationary…

最优化与控制 · 数学 2023-10-03 Welington de Oliveira , Valentina Sessa , David Sossa

We use high-order cumulants to investigate the Lee-Yang zeros of generating functions of dynamical observables in open quantum systems. At long times the generating functions take on a large deviation form with singularities of the…

介观与纳米尺度物理 · 物理学 2015-01-08 James M. Hickey , Christian Flindt , Juan P. Garrahan

In this paper we apply the global isomorphism approach [V.~L. Kulinskii, J. Phys. Chem. B \textbf{114} 2852 (2010)] between the Lennard-Jones fluids and Lattice Gas model to the study of the liquid-vapor equilibrium for the systems with the…

统计力学 · 物理学 2013-04-26 Leonid Bulavin , Vladimir Kulinskii

Piecewise-linear (PL) Morse theory and discrete Morse theory are used in shape analysis tasks to investigate the topological features of discretized spaces. In spite of their common origin in smooth Morse theory, various notions of critical…

计算几何 · 计算机科学 2020-05-19 Ulderico Fugacci , Claudia Landi , Hanife Varlı

We study the asymptotics of correlations and nearest neighbor spacings between zeros and holomorphic critical points of $p_N$, a degree N Hermitian Gaussian random polynomial in the sense of Shiffman and Zeldtich, as N goes to infinity. By…

概率论 · 数学 2015-12-29 Boris Hanin

Central configurations play an important role in the dynamics of the $n$-body problem: they occur as relative equilibria and as asymptotic configurations in colliding trajectories. We illustrate how they can be found as projective fixed…

动力系统 · 数学 2020-07-06 D. L. Ferrario

We study slow variation (both spatial as well as temporal) of a parameter of a system in the vicinity of discontinuous quantum phase transitions, in particular, a discontinuity critical point (DCP) (or a first-order critical point). We…

统计力学 · 物理学 2015-09-02 Sei Suzuki , Amit Dutta

We review studies of entanglement entropy in systems with quenched randomness, concentrating on universal behavior at strongly random quantum critical points. The disorder-averaged entanglement entropy provides insight into the quantum…

无序系统与神经网络 · 物理学 2015-05-13 Gil Refael , Joel E. Moore

Significant uncertainty of our present knowledge for uranium critical point parameters is under consideration. Present paper is devoted to comparative analysis of possible resolutions for the problem of uranium critical point location, as…

化学物理 · 物理学 2015-06-18 Igor Iosilevskiy , Victor Gryaznov

In principle, the probability of configurations, determined by the system's partition function or wave function, encapsulates essential information about phases and phase transitions. Despite the exponentially large configuration space, we…

统计力学 · 物理学 2024-11-26 Wen-Yu Su , Yu-Jing Liu , Nvsen Ma , Chen Cheng

One or more small holes provide non-destructive windows to observe corresponding closed systems, for example by measuring long time escape rates of particles as a function of hole sizes and positions. To leading order the escape rate of…

混沌动力学 · 物理学 2009-11-11 L. A. Bunimovich , C. P. Dettmann

Relative equilibria of Lagrangian and Hamiltonian systems with symmetry are critical points of appropriate scalar functions parametrized by the Lie algebra (or its dual) of the symmetry group. Setting aside the structures - symplectic,…

动力系统 · 数学 2013-05-20 Debra Lewis

Universality is a fundamental concept in modern physics. For the $q$-state Potts model, the critical exponents are merely determined by the order-parameter symmetry $S_q$, spatial dimensionality and interaction range, independent of…

统计力学 · 物理学 2025-07-08 Zirui Peng , Sheng Fang , Hao Hu , Youjin Deng

We present a new unified theory of critical finite-size scaling for lattice statistical mechanical models with periodic boundary conditions above the upper critical dimension. Our theory is based on recent mathematically rigorous results…

统计力学 · 物理学 2026-03-02 Yucheng Liu , Jiwoon Park , Gordon Slade

We analyze the trajectory of the Lee-Yang edge singularities of the QCD equation of state in the complex baryon chemical potential ($\mu_B$) plane for different values of the temperature by using the recent lattice results for the Taylor…

高能物理 - 理论 · 物理学 2024-07-08 Gokce Basar

Numerically locating the critical points of non-convex surfaces is a long-standing problem central to many fields. Recently, the loss surfaces of deep neural networks have been explored to gain insight into outstanding questions in…

机器学习 · 计算机科学 2019-01-31 Charles G. Frye , Neha S. Wadia , Michael R. DeWeese , Kristofer E. Bouchard

The energy level statistics of 2D electrons with spin-orbit scattering are considered near the disorder induced metal-insulator transition. Using the Ando model, the nearest-level-spacing distribution is calculated numerically at the…

凝聚态物理 · 物理学 2009-10-28 L. Schweitzer , I. Kh. Zharekeshev
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