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High temperature approximation (HTA) is used to describe the phase behavior of polydisperse multi-Yukawa hard-sphere chain fluid mixtures with chain length polydispersity. It is demonstrated that in the frames of the HTA the model belongs…

Soft Condensed Matter · Physics 2009-11-11 S. P. Hlushak , Yu. V. Kalyuzhnyi

We present a new method for Monte Carlo or Molecular Dynamics numerical simulations of three dimensional polar fluids. The simulation cell is defined to be the surface of the northern hemisphere of a four-dimensional (hyper)sphere. The…

Soft Condensed Matter · Physics 2014-09-29 Jean-Michel Caillol , Martin Trulsson

We introduce a closure model for coarse-grained kinetic theories of polar active fluids. Based on a quasi-equilibrium approximation of the particle distribution function, the model closely captures important analytical properties of the…

Soft Condensed Matter · Physics 2022-06-17 Scott Weady , David B. Stein , Michael J. Shelley

In this review, an overview of structural properties and phase transitions in finite spherical dusty (complex) plasma crystals -- so-called Yukawa balls -- is given. These novel kinds of Wigner crystals can be directly analyzed…

Plasma Physics · Physics 2015-05-13 H. Baumgartner , D. Block , M. Bonitz

We argue that recently proposed [Melnyk et al., Fluid Phase Equilibr., 2009, Vol. 279, 1] a criterion to split the pair interaction energy into two parts, one of which is forced to be responsible the most accurate as possible for excluded…

Soft Condensed Matter · Physics 2015-04-06 A. Trokhymchuk , R. Melnyk , I. Nezbeda

We propose a simple two-step approximation for the radial distribution function of a one-component two-dimensional Yukawa fluid. This approximation is specified by the key parameters of the system: coupling parameter and screening…

Statistical Mechanics · Physics 2023-03-06 Ilnaz I. Fairushin , Anatolii V. Mokshin

We present equilibrium molecular-dynamics computations of the thermal conductivity and the two viscosities of the Yukawa one-component plasma. The simulations were performed within periodic boundary conditions and Ewald sums were…

Statistical Mechanics · Physics 2009-11-07 Gwenaël Salin , Jean-Michel Caillol

A thermodynamically consistent density functional-perturbation theory is used to study the isostructural solid-to-solid transition which takes place in the hard sphere/attractive Yukawa system when the Yukawa tail is sufficiently…

Condensed Matter · Physics 2009-10-28 C. Rascon , L. Mederos , G. Navascues

In order to solidify the usefulness of metadynamics in studying nucleation of crystals from supercooled liquids, we provide a specific procedure to calculate nucleation free energy barriers. After a pedagogical review of the important…

Statistical Mechanics · Physics 2026-02-03 B. Arnold , J. Daligault , D. Saumon , S. X. Hu

We derive an effective coupling parameter for two-dimensional Yukawa systems based on the height of the first maximum of the pair distribution function. Two variants -- one valid in the high-coupling range, the other for arbitrary couplings…

Plasma Physics · Physics 2011-06-21 T. Ott , M. Bonitz

Strong correlation between equilibrium fluctuations of the potential energy, U, and the virial, W, is a characteristic of a liquid that implies the presence of certain dynamic properties, such as density scaling of the relaxation times and…

Soft Condensed Matter · Physics 2015-06-11 D. Fragiadakis , C. M. Roland

We propose a new approximation scheme to obtain analytic expressions for the bound state energies and eigenfunctions of Yukawa like potentials. The predicted energies are in excellent agreement with the accurate numerical values reported in…

Quantum Physics · Physics 2007-05-23 B. Gonul , K. Koksal , E. Bakir

A model of polar fluid is studied theoretically. The interaction potential, in addition to dipole-dipole term, possesses a dispersion contribution of the van der Waals-London form. It is found that when the dispersion force is comparable to…

Soft Condensed Matter · Physics 2009-10-31 Yan Levin , Paulo S. Kuhn , Marcia C. Barbosa

It is shown that the liquid-gas phase transition exists in one-component system with potential Yukawa interaction. The value of the critical exponent $\beta$ of the order parameter is found. The relation between the potential parameters of…

Statistical Mechanics · Physics 2010-03-16 I. K. Loktionov

The longitudinal viscosity $\eta_l$ is obtained for a two-dimensional (2D) liquid using a Green-Kubo method with a molecular dynamics simulation. The interparticle potential used has the Debye-H\"{u}ckel or Yukawa form, which models a 2D…

Plasma Physics · Physics 2015-06-12 Yan Feng , J. Goree , Bin Liu

Very simple explicit analytical expressions, which are able to describe the dispersion relations of collective modes in strongly coupled plasma fluids, are summarized. The accuracy of these expressions is demonstrated using the comparison…

Plasma Physics · Physics 2018-04-12 Sergey Khrapak , Alexey Khrapak

A second-order Taylor series expansion of the free energy functional provides analytical expressions for the magnetic field dependence of the free energy and of the magnetization of ferrofluids, here modelled by dipolar Yukawa interaction…

Soft Condensed Matter · Physics 2009-11-13 I. Szalai , S. Dietrich

We adopt a field theoretical approach to study the structure and thermodynamics of a homogeneous Maier-Saupe nematogenic fluid interacting with anisotropic Yukawa potential. In the mean field approximation we retrieve the standard…

Soft Condensed Matter · Physics 2012-02-22 M. Holovko , D. di Caprio , I. Kravtsiv

Patchy colloidal model with three and four equivalent patches, confined in the attractive random porous media, undergo re-entrant gas-liquid phase separation with the possibility for the liquid phase density to approach zero. This unusual…

Soft Condensed Matter · Physics 2022-05-11 Taras Hvozd , Yurij V. Kalyuzhnyi , Vojko Vlachy , Peter T. Cummings

We have analyzed the currently available simulation results, as well as performed some additional Monte Carlo simulation for the hard-core attractive Yukawa fluid in order to study its corresponding state behavior. We show that the values…

Statistical Mechanics · Physics 2008-05-31 Pedro Orea , Yurko Duda