Results 231 to 240 of about 480,920 (265)
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Elusiveness of Fluid-Fluid Demixing in Additive Hard-Core Mixtures
Physical Review Letters, 2002The conjecture that when an additive hard-core mixture phase separates when one of the phases is spatially ordered, well supported by considerable evidence, is in contradiction with some simulations of a binary mixture of hard cubes on cubic lattices. By extending Rosenfeld's fundamental measure theory to lattice models we show that the phase behavior ...
Lafuente Molinero, Luis +1 more
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Phase diagram of a binary symmetric hard-core Yukawa mixture
The Journal of Chemical Physics, 2004We assess the accuracy of the self-consistent Ornstein-Zernike approximation for a binary symmetric hard-core Yukawa mixture by comparison with Monte Carlo simulations of the phase diagrams obtained for different choices of the ratio α of the unlike-to-like interactions. In particular, from the results obtained at α=0.75 we find evidence for a critical
Elisabeth, Schöll-Paschinger +3 more
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Concentration Fluctuations and Ionic Core Polarization in Molten Salt Mixtures
Physics and Chemistry of Liquids, 1980The activity coefficient and the heat of mixing of molten alkali-halide mixtures with a common ion are analyzed through the use of thermodynamic fluctuation theory and of a charged-hard-spheres mod...
Z. AKDENIZ, SENATORE, GAETANO, M. TOSI
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Repulsive core-soft models for binary aqueous mixtures
Molecular Physics, 2015A model for aqueous mixtures, consisting of core- softened water together with a soft-core or core- softened solute, is shown to represent a minimal molecular model for hydrophilic aqueous mixtures. In spite of having purely repulsive interactions, this model is able to produce Kirkwood–Buff integrals very similar to that of the real hydrophilic ...
Kežić-Lovrinčević, Bernarda +2 more
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Induced supersolidity in a mixture of normal and hard-core bosons
Physical Review B, 2010We present a scenario where a supersolid is induced in one of the components of a mixture of two species bosonic atoms where there are no long-range interactions. We study a system of normal and hard-core boson mixture with only the former possessing long-range interactions. We consider three cases: the first where the total density is commensurate and
Tapan Mishra, Ramesh V. Pai, B. P. Das
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Vortex core size in superfluid3He-4He Mixture films
Czechoslovak Journal of Physics, 1996Torsion oscillator measurements of the superfluid transition of3He-4He mixture films adsorbed on alumina powder have been carried out for superfluid coverages of less than one monolayer. The addition of3He substantially broadens the phase transition, indicating an increase in the vortex core size, by nearly a factor of two with the addition of about 0 ...
Hyung Cho, Gary A. Williams
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Thermodynamic stability of soft-core Lennard-Jones fluids and their mixtures
The Journal of Chemical Physics, 2010Thermodynamic stability of model single component and binary mixture fluids is considered with the Fisher–Ruelle (FR) stability criteria, which apply in the thermodynamic limit, and molecular dynamics (MD) simulation for finite periodic systems. Two soft-core potential forms are considered, ϕ6,1(r)=4[1/(a+r6)2−1/(a+r6)] and ϕ2,3(r)=4[1/(a+r2)6−1/(a+r2 ...
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Synthetic enzyme mixtures for biomass deconstruction: Production and optimization of a core set
Biotechnology and Bioengineering, 2010AbstractThe high cost of enzymes is a major bottleneck preventing the development of an economically viable lignocellulosic ethanol industry. Commercial enzyme cocktails for the conversion of plant biomass to fermentable sugars are complex mixtures containing more than 80 proteins of suboptimal activities and relative proportions.
Goutami, Banerjee +5 more
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A thermodynamic self-consistent theory of asymmetric hard-core Yukawa mixtures
Journal of Physics: Condensed Matter, 2016We perform structural and thermodynamic calculations in the framework of the modified hypernetted chain (MHNC) integral equation closure to the Ornstein-Zernike equation for binary mixtures of size-different particles interacting with hard-core Yukawa pair potentials.
Pellicane, Giuseppe, Caccamo, Carlo
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A comprehensive study of the phase diagram of symmetrical hard-core Yukawa mixtures
The Journal of Chemical Physics, 1998The phase diagrams of hard-core Yukawa mixtures (HCYM), constituted of equal sized hard spheres interacting through an attractive Yukawa tail, are determined by means of Gibbs Ensemble Monte Carlo (GEMC) simulations, Semi-grand Canonical Monte Carlo (SGCMC) simulations, and through the modified hypernetted-chain (MHNC) theory.
CACCAMO, Carlo +2 more
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