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We present the first study of disordered jammed hard-sphere packings in four-, five- and six-dimensional Euclidean spaces. Using a collision-driven packing generation algorithm, we obtain the first estimates for the packing fractions of the…

统计力学 · 物理学 2009-11-11 M. Skoge , A. Donev , F. H. Stillinger , S. Torquato

The multivariable theory of nucleation [J. Chem. Phys. 124, 124512 (2006)] is applied to the problem of vapor bubbles formation in pure liquids. The presented self-consistent macroscopic theory of this process employs thermodynamics…

软凝聚态物质 · 物理学 2012-05-03 Nikolay V. Alekseechkin

The fluid - crystal equilibria of polydisperse mixtures of hard spheres have been studied by computer simulation of the solid phase and using an accurate equation of state for the fluid. A new scheme has been developed to evaluate the…

统计力学 · 物理学 2007-05-23 N. G. Almarza , E. Enciso

Using Mathematica package, we derive analytical closed-form expressions for the shear and the bulk viscosity coefficients in multicomponent relativistic gases with constant cross sections, being the relativistic generalization for the hard…

流体动力学 · 物理学 2014-02-11 O. Moroz

Highly supercooled liquids with soft-core potentials are studied via molecular dynamics simulations in two and three dimensions in quiescent and sheared conditions.We may define bonds between neighboring particle pairs unambiguously owing…

软凝聚态物质 · 物理学 2009-10-31 Ryoichi Yamamoto , Akira Onuki

In this work I derive analytic expressions for the curvature dependent fluid-substrate surface tension of a hard sphere fluid on a hard curved wall. In a first step, the curvature thermodynamic properties are found as truncated power series…

软凝聚态物质 · 物理学 2014-04-23 Ignacio Urrutia

Let $S$ be a set of $n$ points in $\mathbb{R}^d$, where $d \geq 2$ is a constant, and let $H_1,H_2,\ldots,H_{m+1}$ be a sequence of vertical hyperplanes that are sorted by their first coordinates, such that exactly $n/m$ points of $S$ are…

We experimentally investigate the interaction between a pair of bubbles ascending in a stagnant viscoelastic shear-thinning fluid. In particular, we focus on the effect of bubble size, across the velocity discontinuity, on the bubble-bubble…

流体动力学 · 物理学 2024-07-25 Mithun Ravisankar , Alam Garciduenas Correa , Yunxing Su , Roberto Zenit

Mayer's convergence method for virial expansion and condensation is studied using a new generating function for canonical partition function, which directly depends on irreducible cluster integral, $\beta_k$, unlike Mayer's work where it…

统计力学 · 物理学 2015-06-22 Vishnu M. Bannur

The direct correlation function of a fluid mixture of parallel hard cubes is obtained by using Rosenfeld's fundamental measure approximation. This approximation is thermodynamically consistent (compressibility and virial equations of state…

凝聚态物理 · 物理学 2009-10-28 Jose A. Cuesta

Explicit simulations of fluid mixtures of highly size-dispersed particles are constrained by numerical challenges associated with identifying pair-interaction neighbors. Recent algorithmic developments have ameliorated these difficulties to…

软凝聚态物质 · 物理学 2022-12-07 Joseph M. Monti , Gary S. Grest

Over the past two decades, a large number of studies addressed the topic of crystal nucleation in suspensions of hard spheres. The shared result of all these efforts is that, at low super-saturations, experimentally observed nucleation…

软凝聚态物质 · 物理学 2022-06-22 Wilkin Wöhler , Tanja Schilling

We consider N particles interacting pair-wise by an inverse square potential in one dimension (Calogero-Sutherland-Moser model). When trapped harmonically, its classical canonical partition function for the repulsive regime is known in the…

统计力学 · 物理学 2015-05-14 R. K. Bhaduri , M. V. N. Murthy , Diptiman Sen

Steady-state pair correlations between inelastic granular beads in a vertically shaken, quasi two-dimensional cell can be mapped onto the particle correlations in a truly two-dimensional reference fluid in thermodynamic equilibrium. Using…

软凝聚态物质 · 物理学 2019-06-12 Gustavo M. Rodríguez-Liñán , Marco Heinen

Computer simulations of the fluid-to-solid phase transition in the hard sphere system were instrumental for our understanding of crystallization processes. But while colloid experiments and theory have been predicting the stability of…

软凝聚态物质 · 物理学 2020-05-29 Praveen K. Bommineni , Marco Klement , Michael Engel

By means of classical density functional theory and its dynamical extension, we consider a colloidal fluid with spherically-symmetric competing interactions, which are well known to exhibit a rich bulk phase behavior. This includes complex…

软凝聚态物质 · 物理学 2018-06-11 Daniel Stopper , Roland Roth

A theoretical analysis is presented of a nematic liquid crystal confined between substrates pat- terned with squares that promote vertical and planar alignment. Two approaches are used to eluci- date the behavior across a wide range of…

软凝聚态物质 · 物理学 2015-06-05 Candy Anquetil-Deck , Douglas J Cleaver , Timothy James Atherton

Despite great progress in the study of critical percolation on $\mathbb{Z}^d$ for $d$ large, properties of critical clusters in high-dimensional fractional spaces and boxes remain poorly understood, unlike the situation in two dimensions.…

概率论 · 数学 2018-10-10 Shirshendu Chatterjee , Jack Hanson

The Percus-Yevick theory for monodisperse hard spheres gives very good results for the pressure and structure factor of the system in a whole range of densities that lie within the liquid phase. However, the equation seems to lead to a very…

统计力学 · 物理学 2019-02-01 Eytan Katzav , Ruslan Berdichevsky , Moshe Schwartz

Confinement of atoms inside impenetrable (hard) and penetrable (soft) cavities has been studied for nearly eight decades. However, a unified virial theorem for such systems has not yet been found. Here we provide a general virial-like…

量子物理 · 物理学 2019-04-05 Neetik Mukherjee , Amlan K. Roy