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Phase structure and phase transitions in dense QCD are studied using the Cornwall-Jackiw-Tomboulis (CJT) potential in the improved ladder approximation. The gap function, the condensation energy and the structure of Cooper pairs are…

高能物理 - 唯象学 · 物理学 2008-11-26 Hiroaki Abuki

We investigate expansions for connectedness functions in the random connection model of continuum percolation in powers of the intensity. Precisely, we study the pair-connectedness and the direct-connectedness functions, related to each…

数学物理 · 物理学 2022-09-09 Sabine Jansen , Leonid Kolesnikov , Kilian Matzke

Results of a systematic investigation of the vapour-liquid equilibria of 38 individual two-centre Lennard-Jones plus axial pointdipole model fluids (2CLJD) are reported over a range of reduced dipolar momentum 0 $\le \mu^{*2} \le$ 20 and of…

计算物理 · 物理学 2009-04-23 Jürgen Stoll , Jadran Vrabec , Hans Hasse

We show that a number of model liquids at fixed volume exhibit strong correlations between equilibrium fluctuations of the configurational parts of (instantaneous) pressure and energy. We present detailed results for thirteen systems,…

软凝聚态物质 · 物理学 2009-11-13 Nicholas P. Bailey , Ulf R. Pedersen , Nicoletta Gnan , Thomas B. Schrøder , Jeppe C. Dyre

The general method of the reduction in the number of coupling parameters is discussed. Using renormalization group invariance, theories with several independent couplings are related to a set of theories with a single coupling parameter.…

高能物理 - 理论 · 物理学 2007-05-23 Reinhard Oehme

A general diffuse interface model with a realistic equation of state (e.g. Peng-Robinson equation of state) is proposed to describe the multi-component two-phase fluid flow based on the principles of the NVT-based framework which is a…

数值分析 · 数学 2016-11-29 Jisheng Kou , Shuyu Sun

In this report the radial distribution functions (RDFs) of liquid water are calculated on the basis of the classical density functional theory combined with the reference interaction site model for molecular liquids. The bridge functions,…

统计力学 · 物理学 2022-10-13 Shigenori Tanaka , Miki Nakano

We consider the estimation of smoothing parameters and variance components in models with a regular log likelihood subject to quadratic penalization of the model coefficients, via a generalization of the method of Fellner (1986) and Schall…

统计方法学 · 统计学 2020-08-11 Simon N. Wood , Matteo Fasiolo

The penetrable-square-well (PSW) pair interaction potential is defined as $\phi (r)=\epsilon_r$ if the two interacting particles are overlapped ($r<\sigma$), $\phi(r)=-\epsilon_a$ inside a corona ($\sigma <r<\lambda$), and $\phi(r)=0$…

软凝聚态物质 · 物理学 2019-08-13 José Luis Sánchez-Tena , Andrés Santos , Pablo Pajuelo

This paper deals with a dynamical system that generalizes the Kepler-Coulomb system and the Hartmann system. It is shown that the Schr\"odinger equation for this generalized Kepler-Coulomb system can be separated in prolate spheroidal…

高能物理 - 理论 · 物理学 2007-05-23 M. Kibler , L. G. Mardoyan , G. S. Pogosyan

Recently, Nagib et al (2024} utilized indicator functions of profiles of the streamwise normal stress to reveal the ranges of validity, in wall distance and Reynolds number, for each of two proposed models in DNS of channel and pipe flows.…

流体动力学 · 物理学 2024-11-20 Hassan Nagib , Ivan Marusic

We present a novel theoretical framework for understanding the expressive power of normalizing flows. Despite their prevalence in scientific applications, a comprehensive understanding of flows remains elusive due to their restricted…

机器学习 · 计算机科学 2025-01-30 Felix Draxler , Stefan Wahl , Christoph Schnörr , Ullrich Köthe

We devise a {\sl non--perturbative} method, called {\sl Parametric Perturbation Theory} (PPT), which is alternative to the ordinary perturbation theory. The method relies on a principle of simplicity for the observable solutions, which are…

高能物理 - 唯象学 · 物理学 2007-05-23 Paolo Amore

We derive an explicit analytic expression for the first quantum correction to the second virial coefficient of a $d$-dimensional fluid whose particles interact via the generalized Lennard-Jones $(2n,n)$ potential. By introducing an…

统计力学 · 物理学 2025-12-12 Daniel Parejo , Andrés Santos

The exact statistical-mechanical solution for the equilibrium properties, both thermodynamic and structural, of one-dimensional fluids of particles interacting via the triangle-well and the ramp potentials is worked out. In contrast to…

软凝聚态物质 · 物理学 2019-04-11 Ana M. Montero , Andrés Santos

We use molecular simulations to demonstrate the connection between transverse water-water correlations and wetting phenomena for a range of hydrophobic to hydrophilic solid surfaces.Near superhydrophobic surfaces, the correlations are long…

软凝聚态物质 · 物理学 2014-09-10 Rahul Godawat , Sumanth N. Jamadagni , Vasudevan Venkateshwaran , Shekhar Garde

Using the method of prolongation we generate new solutions from a simple particular solution for relativistic transverse flow with cylindrical symmetry in 1+3 dimensions. This is an extension of the longitudinal Bjorken flow ansatz and can…

核理论 · 物理学 2009-11-06 Tamas S. Biro

This paper investigates the relation between the density-scaling exponent $\gamma$ and the virial potential-energy correlation coefficient $R$ at several thermodynamic state points in three dimensions for the generalized $(2n,n)$…

软凝聚态物质 · 物理学 2024-01-17 Ida M. Friisberg , Lorenzo Costigliola , Jeppe C. Dyre

A method to obtain (approximate) analytical expressions for the radial distribution functions in a multicomponent mixture of additive hard spheres that was recently introduced is used to obtain the direct correlation functions and bridge…

统计力学 · 物理学 2008-09-15 S. B. Yuste , A. Santos , M. López de Haro

In the Ginzburg-Landau theory of superfluid $^{3}$He, the free energy is expressed as an expansion of invariants of a complex order parameter. Strong coupling effects, which increase with increasing pressure, are embodied in the set of…

超导电性 · 物理学 2007-11-22 H. Choi , J. P. Davis , J. Pollanen , T. M. Haard , W. P. Halperin