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We study the slow dynamics of salol by varying both temperature and pressure using photon correlation spectroscopy and pressure-volume-temperature measurements, and compare the behavior of the structural relaxation time with equations…

Soft Condensed Matter · Physics 2016-11-25 L. Comez , S. Corezzi , D. Fioretto , H. Kriegs , A. Best , W. Steffen

We study the effect of cavity collapse in non-ideal explosives as a means of controlling their sensitivity. The aim is to understand the origin of localised temperature peaks (hot spots) which play a key role at the early stages of…

Computational Physics · Physics 2018-04-04 Louisa Michael , Nikolaos Nikiforakis

Interpreting the cosmological constant as a pressure, whose thermodynamically conjugate variable is a volume, modifies the first law of black hole thermodynamics. Properties of the resulting thermodynamic volume are investigated: the…

General Relativity and Quantum Cosmology · Physics 2012-03-07 Brian P. Dolan

On the basis of the first principles simulation, the structure, formation enthalpy, and mechanical properties (elastic constant, bulk, and shear modulus and hardness) of five Nb-doped Ni systems are systematically studied. The calculated…

Materials Science · Physics 2019-05-16 Jia Song , Zhibin Gao , Liang Zhang , Wenheng Wu , Beibei He , Lin Lu

A novel liquid-liquid phase transition has been proposed and investigated in a wide variety of pure substances recently, including water, silica and silicon. From computer simulations using the Stillinger-Weber classical empirical…

Statistical Mechanics · Physics 2015-05-27 Vishwas V Vasisht , Shibu Saw , Srikanth Sastry

This paper presents a broad theoretical and simulation study of the high temperature behavior of crystalline alkali halide surfaces typified by NaCl(100), of the liquid NaCl surface near freezing, and of the very unusual partial wetting of…

Materials Science · Physics 2007-05-23 T. Zykova-Timan , D. Ceresoli , U. Tartaglino , E. Tosatti

We present detailed comparisons of the intracluster medium (ICM) in cosmological Eulerian cluster simulations with deep Chandra observations of nearby relaxed clusters. To assess the impact of galaxy formation, we compare two sets of…

Astrophysics · Physics 2011-02-11 Daisuke Nagai , Andrey V. Kravtsov , Alexey Vikhlinin

Millimeter-sized, spherical silicate grains abundant in chondritic meteorites, which are called as chondrules, are considered to be a strong evidence of the melting event of the dust particles in the protoplanetary disk. One of the most…

Astrophysics · Physics 2009-11-11 Hitoshi Miura , Taishi Nakamoto

Layers obtained by drying a colloidal dispersion of silica spheres are found to be a good benchmark to test the elastic behaviour of porous media, in the challenging case of high porosities and nano-sized microstructures. Classically used…

Soft Condensed Matter · Physics 2018-06-24 Arnaud Lesaine , Daniel Bonamy , Georges Gauthier , Cindy Rountree , Véronique Lazarus

The $1s^2->1s2p(^1P)$ excitation in confined and compressed helium atoms in either the bulk material or encapsulated in a bubble is shifted to energies higher than that in the free atom. For bulk helium, the energy shifts predicted from…

Chemical Physics · Physics 2023-08-09 N. C. Pyper , A. J. W. Thom , Colm T. Whelan

This present study deals with the dissipative instability that appears in a compressible partially ionised plasma slab embedded in a uniform magnetic field, modelling the state of the plasma in solar prominences. In the partially ionised…

Solar and Stellar Astrophysics · Physics 2018-02-28 J. F. Mather , I. Ballai , R. Erdelyi

We study the viscosity and thermodynamic properties of QGP at RHIC by employing the recently extracted equilibrium distribution functions from two hot QCD equations of state of $O(g^5)$ and $O(g^6\ln(1/g))$ respectively. After obtaining the…

Nuclear Theory · Physics 2011-07-19 Vinod Chandra , V. Ravishankar

When particulate suspensions are sheared, perturbations in the shear flows around the rigid particles increase the local energy dissipation, so that the viscosity of the suspension is effectively higher than that of the solvent. For bulk…

Soft Condensed Matter · Physics 2009-11-13 Mark L. Henle , Alex J. Levine

We revisit the issue of sensitivity to initial flow and intrinsic variability in hot-Jupiter atmospheric flow simulations, originally investigated by Cho et al. (2008) and Thrastarson & Cho (2010). The flow in the lower region (~1 to 20…

Earth and Planetary Astrophysics · Physics 2015-08-25 J. Y-K. Cho , I. Polichtchouk , H. Th. Thrastarson

The calculation of the solvation properties of a single water molecule in liquid water is carried out in two ways. In the first, the water molecule is placed in a cavity and the solvent is treated as a dielectric continuum. This model is…

chem-ph · Physics 2008-02-03 Steven W. Rick , B. J. Berne

The isothermal compression of a dilute nucleonic gas invoking cluster degrees of freedom is studied in an equilibrium statistical model; this clusterized system is found to be more stable than the pure nucleonic system. The equation of…

Nuclear Theory · Physics 2008-11-26 J. N. De , S. K. Samaddar

Molecular dynamics simulations are used to model ion and neutral temperature evolution in partially-ionized atmospheric pressure plasma at different ionization fractions. Results show that ion-ion interactions are strongly coupled at…

Plasma Physics · Physics 2023-01-04 M. D. Acciarri , C. Moore , S. D. Baalrud

We address the investigation of the solvation properties of the minimal orientational model for water, originally proposed by Bell and Lavis. The model presents two liquid phases separated by a critical line. The difference between the two…

Statistical Mechanics · Physics 2015-06-05 Marcia M. Szortyka , Carlos E. Fiore , Marcia C. Barbosa , Vera B. Henriques

We present results for transport properties (diffusion and viscosity) using computer simulations. Focus is made on a densified binary sodium disilicate 2SiO$_2$-Na$_2$O (NS2) liquid and on multicomponent magmatic liquids (MORB, basalt). In…

Materials Science · Physics 2015-03-20 M. Bauchy , B. Guillot , M. Micoulaut , N. Sator

We use extensive classical molecular dynamics simulations to calculate the thermal conductivity of a model silica glass. Apart from the potential parameters, this is done with no other adjustable quantity and the standard equations of heat…

Disordered Systems and Neural Networks · Physics 2009-10-31 Philippe Jund , Remi Jullien