نتایج جستجو برای: yukawa potential

تعداد نتایج: 1071194  

2008
S. P. Hlushak

Thermodynamics of the multi-component dimerizing hard-sphere Yukawa mixture in the associative mean spherical approximation. Abstract Explicit analytical expressions for Helmholtz free energy, chemical potential , entropy and pressure of the multi-component dimerizing Yukawa hard-sphere fluid are presented. These expressions are written in terms of the Blum's scaling parameter Γ, which follows ...

2002
Clare McCabe Yurij V. Kalyuzhnyi Peter T. Cummings

The hard-sphere Yukawa chain (HSYC) fluid is a simple model for chain fluids and polymers in which each molecule is composed of freely-jointed tangent spheres. The spheres each have a hard core and an attractive interaction, written as a single Yukawa potential or as a sum of Yukawa potentials. We have calculated the phase equilibria and PVT behaviour of the HSYC fluid both theoretically and by...

2002
J. Dobnikar R. Rzehak H. H. von Grünberg Fachbereich Physik

The solid-liquid phase-diagram of charge-stabilized colloidal suspensions is calculated using a technique that combines a continuous Poisson-Boltzmann description for the microscopic electrolyte ions with a molecular-dynamics simulation for the macroionic colloidal spheres. While correlations between the microions are neglected in this approach, many-body interactions between the colloids are f...

2008
Amitava Datta Anirban Kundu Abhijit Samanta

Motivated by the possibilities of b − τ or t− b − τ Yukawa unification in the supersymmetric Grand Unified Theories, we consider the dangerous directions of the supersymmetric potential for large values of tanβ (>∼ 30), in two versions of the minimal supergravity model with and without common soft breaking scalar masses at the GUT scale, where the potential may become unbounded from below. We f...

2002
H. RUIZ-ESTRADA M. MEDINA-NOYOLA

In this work, the resealed mean spherical approximation (RMSA) for colloidal mixtures interacting via a DLVO-type potential is developed, and its application to suspensions of highly charged macroions is illustrated. For this purpose we introduce a simple scheme to solve the mean spherical approximation (MSA) for Yukawa mixtures with factorized coupling parameters. This scheme consists of the m...

2017
Paweł M Pigłowski Jakub W Narojczyk Artur A Poźniak Krzysztof W Wojciechowski Konstantin V Tretiakov

Elastic properties of model crystalline systems, in which the particles interact via the hard potential (infinite when any particles overlap and zero otherwise) and the hard-core repulsive Yukawa interaction, were determined by Monte Carlo simulations. The influence of structural modifications, in the form of periodic nanolayers being perpendicular to the crystallographic axis [111], on auxetic...

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