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相关论文: An extreme case of density scaling: The Weeks-Chan…

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It is shown that the transport coefficients (self-diffusion, shear viscosity, and thermal conductivity) of the Weeks-Chandler-Anderson (WCA) fluid along isotherms exhibit a freezing density scaling (FDS). The functional form of this FDS is…

统计力学 · 物理学 2024-04-26 S. A. Khrapak , A. G. Khrapak

The melting line of the Weeks-Chandler-Andersen (WCA) system was recently determined accurately and compared to the predictions of four analytical hard-sphere approximations [Attia et al., J. Chem. Phys. 157, 034502 (2022)]. Here, we study…

统计力学 · 物理学 2023-12-14 Jeppe C. Dyre , Ulf R. Pedersen

By combining interface-pinning simulations with numerical integration of the Clausius-Clapeyron equation we determine accurately the melting-line coexistence pressure and fluid/crystal densities of the Weeks-Chandler-Andersen (WCA) system…

统计力学 · 物理学 2022-12-23 Eman Attia , Jeppe C. Dyre , Ulf R. Pedersen

We find that the density dependence of the glass transition temperature of Lennard-Jones (LJ) and Weeks-Chandler-Andersen (WCA) systems can be predicted from properties of the zero-temperature ($T=0$) glasses. Below a crossover density…

软凝聚态物质 · 物理学 2014-02-11 Lijin Wang , Ning Xu

The formation, growth, structure and cluster size distribution (CSD) properties in a two-dimensional system of particles interacting with Lennard-Jones (LJ) potential under controlled cooling condition have been studied using Monte-Carlo…

软凝聚态物质 · 物理学 2018-01-18 Barnana Pal

This review is intended to give a pedagogical and unified view on the subject of the statistics and scaling of physical quantities in disordered electron systems at very low temperatures. Quantum coherence at low temperatures and randomness…

介观与纳米尺度物理 · 物理学 2015-06-25 Martin Janssen

Supercooled liquids are characterized by relaxation times that increase dramatically by cooling or compression. Many liquids have been shown to obey power-law density scaling, according to which the relaxation time is a function of density…

软凝聚态物质 · 物理学 2012-12-19 Lasse Bøhling , Trond S. Ingebrigtsen , A. Grzybowski , M. Paluch , Jeppe C. Dyre , Thomas B. Schrøder

For $\Delta \ge 5$ and $q$ large as a function of $\Delta$, we give a detailed picture of the phase transition of the random cluster model on random $\Delta$-regular graphs. In particular, we determine the limiting distribution of the…

概率论 · 数学 2021-09-16 Tyler Helmuth , Matthew Jenssen , Will Perkins

We present the results of a very deep (500 ks) Chandra observation, along with tailored numerical simulations, of the nearest, best resolved cluster cold front in the sky, which lies 90 kpc (19 arcmin) to the north-west of M 87. The…

The relaxation dynamics in two van der Waals bonded and one hydrogen-bonding molecular liquids is studied as a function of pressure and temperature by incoherent neutron scattering using simultaneous dielectric spectroscopy. The dynamics is…

软凝聚态物质 · 物理学 2018-09-10 Henriette Wase Hansen , Bernhard Frick , Simone Capaccioli , Alejandro Sanz , Kristine Niss

A freezing density scaling of transport properties of the Lennard-Jones fluid is rationalized in terms of the Rosenfeld's excess entropy scaling and isomorph theory of Roskilde-simple systems. Then, it is demonstrated that the freezing…

统计力学 · 物理学 2022-07-06 S. Khrapak , A. Khrapak

Dominant energy subspaces of statistical systems are defined with the help of restrictive conditions on various characteristics of the energy distribution, such as the probability density and the forth order Binder's cumulant. Our analysis…

统计力学 · 物理学 2007-05-23 A. Malakis , S. S. Martinos , I. A. Hadjiagapiou , N. G. Fytas , P. Kalozoumis

When superconducting (SC) and charge-density wave (CDW) orders compete, novel low temperature behaviors can result. From an analysis of the Landau-Ginzberg-Wilson theory of competing orders, we demonstrate the generic occurrence of a…

超导电性 · 物理学 2019-04-24 Yue Yu , S. A. Kivelson

We propose kernel PCA as a method for analyzing the dependence structure of multivariate extremes and demonstrate that it can be a powerful tool for clustering and dimension reduction. Our work provides some theoretical insight into the…

机器学习 · 统计学 2022-11-28 Marco Avella-Medina , Richard A. Davis , Gennady Samorodnitsky

The critical behavior of pinned charge density waves (CDW's) is studied as the threshold for sliding is approached. Using the Fukuyama-Lee-Rice Hamiltonian with relaxational dynamics, the polarization and linear response are calculated…

凝聚态物理 · 物理学 2009-09-25 Daniel S. Fisher , A. Alan Middleton

Decoherence phenomena are pervasive in the arena of nanostructures but perhaps even more so in the study of the fundamentals of quantum mechanics and quantum computation. Since there has been little overlap between the studies in both…

凝聚态物理 · 物理学 2009-11-10 R. F. O'Connell

We present constraints on quintessence dark energy models using the observational detection of the Integrated Sachs-Wolfe (ISW)--thermal Sunyaev-Zeldovich (tSZ) cross-correlation dataset. Our analysis compares three classes of quintessence…

宇宙学与河外天体物理 · 物理学 2026-03-04 Ayodeji Ibitoye , Shiriny Akthar , Md. Wali Hossain , Amare Abebe , Prabhakar Tiwari , Xuelei Chen , Jackson Said , Jacob Oloketuyi

Phase transitions are prevalent throughout physics, spanning thermal phenomena like water boiling to magnetic transitions in solids. They encompass cosmological phase transitions in the early universe and the transition into a quark-gluon…

无序系统与神经网络 · 物理学 2025-04-03 Farid Madani , Maxime Denis , Pascal Szriftgiser , Jean Claude Garreau , Adam Rançon , Radu Chicireanu

This paper presents a new approach to non-parametric cluster analysis called Adaptive Weights Clustering (AWC). The idea is to identify the clustering structure by checking at different points and for different scales on departure from…

机器学习 · 统计学 2017-09-27 Kirill Efimov , Larisa Adamyan , Vladimir Spokoiny

Systems of particles interacting via inverse-power law potentials have an invariance with respect to changes in length and temperature, implying a correspondence in the dynamics and thermodynamics between different `isomorphic' sets of…

统计力学 · 物理学 2016-08-03 Thibaud Maimbourg , Jorge Kurchan
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