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We employ inhomogeneous integral equation theory to investigate the equilibrium properties of hard disks confined to a channel of width $L$ by hard parallel walls. If the channel width is narrowed below two disk diameters, then the system…

软凝聚态物质 · 物理学 2026-03-10 J. M. Brader , E. Di Bernardo , S. M. Tschopp

The homogeneous partly pinned fluid systems are simple models of a fluid confined in a disordered porous matrix obtained by arresting randomly chosen particles in a one-component bulk fluid or one of the two components of a binary mixture.…

软凝聚态物质 · 物理学 2010-12-07 Vincent Krakoviack

The exact canonical partition function of a hard disk system in a narrow quasi-one dimensional pore of given length and width is derived analytically in the thermodynamic limit. As a result the many body problem is reduced to solving two…

软凝聚态物质 · 物理学 2020-10-28 V. M. Pergamenshchik

The structural properties of dense random packings of identical hard spheres (HS) are investigated. The bond order parameter method is used to obtain detailed information on the local structural properties of the system for different…

软凝聚态物质 · 物理学 2015-05-27 B. A. Klumov , S. A. Khrapak , G. E. Morfill

Pair distributions of fluids confined between two surfaces at close distance are of fundamental importance for a variety of physical, chemical, and biological phenomena, such as interactions between macromolecules in solution, surface…

软凝聚态物质 · 物理学 2013-11-01 Kim Nygård , Sten Sarman , Roland Kjellander

Although density functional theory provides reliable predictions for the static properties of simple fluids under confinement, a theory of comparative accuracy for the transport coefficients has yet to emerge. Nonetheless, there is evidence…

Confinement can significantly alter fluid properties, offering potential for specific technological applications. However, achieving precise control over the structural complexity of confined fluids and soft matter remains challenging, as…

软凝聚态物质 · 物理学 2024-11-20 Fabio Leoni , Erdal C. Oğuz , Giancarlo Franzese

We implement molecular dynamics simulations in canonical ensemble to study the effect of confinement on a $2d$ crystal of point particles interacting with an inverse power law potential proportional to $r^{-12}$ in a narrow channel. This…

软凝聚态物质 · 物理学 2014-09-30 M. Ebrahim Foulaadvand , Neda Ojaghlou

We present an easy-to-use analytic toolbox for the calculation of short-time transport properties of concentrated suspensions of spherical colloidal particles with internal hydrodynamic structure, and direct interactions described by a…

软凝聚态物质 · 物理学 2015-03-02 Jonas Riest , Thomas Eckert , Walter Richtering , Gerhard Nägele

These lecture notes present an overview of equilibrium statistical mechanics of classical fluids, with special applications to the structural and thermodynamic properties of systems made of particles interacting via the hard-sphere…

软凝聚态物质 · 物理学 2014-06-24 Andrés Santos

We study theoretically and numerically the elastic properties of hard sphere glasses, and provide a real-space description of their mechanical stability. In contrast to repulsive particles at zero-temperature, we argue that the presence of…

软凝聚态物质 · 物理学 2015-06-18 E. DeGiuli , E. Lerner , C. Brito , M. Wyart

The inherent structure landscape for a system of hard spheres confined to a hard cylindrical channel, such that spheres can only contact their first and second neighbours, is studied using an analytical model that extends previous results…

软凝聚态物质 · 物理学 2021-12-15 Mahdi Zarif , Raymond J. Spiteri , Richard K. Bowles

Accurate descriptions of reference systems are a central task in liquid-state theories for the study of more complex systems. Using scaled particle theory (SPT), we derive a fully analytical description of the thermodynamic properties of a…

软凝聚态物质 · 物理学 2026-03-31 T. Hvozd , M. Hvozd , M. Holovko

Confinement can have a dramatic effect on the behavior of all sorts of particulate systems and it therefore is an important phenomenon in many different areas of physics and technology. Here, we investigate the role played by the softness…

We study the responses of fluid-immersed soft hydrogel spheres that are sheared under controlled volume fractions. Slippery, deformable particles along with the density-matched interstitial fluid are sandwiched between two opposing rough…

软凝聚态物质 · 物理学 2020-07-22 J. -C. Tsai , M. -R. Chou , P. -C. Huang , H. -T. Fei

The new mathematical framework based on the free energy of pure classical fluids presented in [R. D. Rohrmann, Physica A 347, 221 (2005)] is extended to multi-component systems to determine thermodynamic and structural properties of…

统计力学 · 物理学 2008-11-26 R. D. Rohrmann , J. Zorec

The self-diffusion process of a hard sphere fluid confined by two parallel plates separated by a distance on the order of the particle diameter is studied. The starting point is a closed kinetic equation for the distribution function that…

统计力学 · 物理学 2025-10-24 Manuel Mayo , María Isabel García de Soria , Pablo Maynar , José Javier Brey

We examine the phase behavior of a quasi-one-dimensional system of hard squares with side-length $\sigma$, where the particles are confined between two parallel walls and only nearest neighbor interactions occur. As in our previous work…

统计力学 · 物理学 2017-05-03 Peter Gurin , Gerardo Odriozola , Szabolcs Varga

We perform numerical simulations of purely repulsive soft colloidal particles interacting via a generalized elastic potential and constrained to a two-dimensional plane and to the surface of a spherical shell. For the planar case, we…

软凝聚态物质 · 物理学 2011-06-16 William L. Miller , Angelo Cacciuto

The statistical-mechanical study of the equilibrium properties of fluids, starting from the knowledge of the interparticle interaction potential, is essential to understand the role that microscopic interaction between individual particles…

软凝聚态物质 · 物理学 2025-10-07 Ana M. Montero