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Related papers: A potential inversion study of liquid CuBr

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We performed extensive molecular dynamics (MD) simulations, supplemented by Mode Coupling Theory (MCT) calculations, for the Square Shoulder (SS) model, a purely repulsive potential where the hard-core is complemented by a finite shoulder.…

Soft Condensed Matter · Physics 2015-06-15 Gayatri Das , Nicoletta Gnan , Francesco Sciortino , Emanuela Zaccarelli

We present mode-coupling theory (MCT) results for densely packed hard-sphere fluids confined between two parallel walls and compare them quantitatively to computer simulations. The numerical solution of MCT is calculated for the first time…

Soft Condensed Matter · Physics 2023-05-10 Gerhard Jung , Thomas Franosch

We invert experimental data for heavy-ion fusion reactions at energies well below the Coulomb barrier in order to directly determine the internucleus potential between the colliding nuclei. In contrast to the previous applications of the…

Nuclear Theory · Physics 2008-11-26 K. Hagino , Y. Watanabe

We extend the analysis of Gabor transforms on a Cosmic Microwave Background (CMB) temperature map (Hansen, Gorski and Hivon 2002) to polarisation. We study the temperature and polarisation power spectra on the cut sky, the so-called pseudo…

Astrophysics · Physics 2008-11-26 Frode K. Hansen , Krzysztof M. Gorski

We carry out computer simulations of a simple, two-dimensional off-lattice model that exhibits inverse melting. The monodisperse system comprises core-softened disks interacting through a repulsive square shoulder located inside an…

Materials Science · Physics 2015-06-18 Ahmad M. Almudallal , Sergey V. Buldyrev , Ivan Saika-Voivod

Spin-singlet Cooper pairs consisting of two electrons with opposite spins cannot directly penetrate from a superconductor to a half-metal (fully spin polarized ferromagnets) which blocks the superconducting proximity effect between these…

Superconductivity · Physics 2019-09-04 Zh. Devizorova , S. Mironov

We present a theoretical treatment of Bragg scattering of a degenerate Fermi gas in the weakly interacting BCS regime. Our numerical calculations predict correlated scattering of Cooper pairs into a spherical shell in momentum space. The…

Other Condensed Matter · Physics 2007-05-23 K. J. Challis , R. J. Ballagh , C. W. Gardiner

Using molecular dynamics simulations with embedded atom model potential, we study structural evolution of ${\rm Cu_{64.5}Zr_{35.5}}$ alloy during the cooling in a wide range of cooling rates $\gamma\in(1.5\cdot 10^{9},10^{13})$ K/s.…

Disordered Systems and Neural Networks · Physics 2016-08-03 R. E. Ryltsev , B. A. Klumov , N. M. Chtchelkatchev

The atomic pair distribution functions (PDF) of four powder samples of YBa2Cu3O6+x (x=0.25, 0.45, 0.65, 0.94) at 15 K have been measured by means of pulsed neutron diffraction. The PDF is modelled using a full-profile fitting approach to…

Superconductivity · Physics 2009-10-31 M. Gutmann , S. J. L. Billinge , E. L. Brosha , G. H. Kwei

It is shown that neutrino and antineutrino deep inelastic scattering of unpolarized and polarized $\Lambda$ and $\bar{\Lambda}$ productions, can provide a clean separation of unpolarized and polarized fragmentation functions of a quark into…

High Energy Physics - Phenomenology · Physics 2009-10-31 Bo-Qiang Ma , Jacques Soffer

Analyses using simplified coupled-channels models have been unable to describe the shape of the previously measured fusion barrier distribution for the doubly magic $^{16}$O+$^{208}$Pb system. This problem was investigated by re-measuring…

Nuclear Experiment · Physics 2009-10-31 C. R. Morton , A. C. Berriman , M. Dasgupta , D. J. Hinde , J. O. Newton , K. Hagino , I. J. Thompson

We estimate locations of the regions of the percolation and of the non-percolation in the plane $(\lambda,\beta)$: the Poisson rate -- the inverse temperature, for interacted particle systems in finite dimension Euclidean spaces. Our…

Mathematical Physics · Physics 2015-05-13 E. Pechersky , A. Yambartsev

The short and intermediate-range order in GeO$_2$ glass are investigated by molecular dynamics using machine-learning interatomic potential trained on ab initio calculation data and compared with reverse Monte Carlo fitting of neutron…

Materials Science · Physics 2024-09-25 Kenta Matsutani , Shusuke Kasamatsu , Takeshi Usuki

We present quantum molecular dynamics calculations of thermophysical properties of solid and liquid zirconium in the vicinity of melting. An overview of available experimental data is also presented. We focus on the analysis of thermal…

Materials Science · Physics 2022-08-10 M. A. Paramonov , D. V. Minakov , V. B. Fokin , D. V. Knyazev , G. S. Demyanov , P. R. Levashov

Solid-state amorphization of crystalline copper nanolayers embedded in a Cu64Zr36 metallic glass is studied by molecular dynamics simulations for different orientations of the crystalline layer. We show that solid-state amorphization is…

Materials Science · Physics 2015-05-07 Tobias Brink , Daniel Şopu , Karsten Albe

Angular-resolved photoemission data on half-filled doped cuprate materials are compared with an exact-diagonalization analysis of the three-band Hubbard model, which is extended to the infinite lattice by means of a perturbation in the…

Strongly Correlated Electrons · Physics 2007-05-23 C. Dahnken , E. Arrigoni , W. Hanke

The method of relativistic molecular dynamics is applied for accurate computational modelling and numerical analysis of the channelling phenomena for 855 MeV electrons in bent oriented silicon (111) crystal. Special attention is devoted to…

In this article mixed CuInP$_2$(S$_x$Se$_{1-x}$)$_6$ crystals were investigated by broadband dielectric spectroscopy (20 Hz - 3 GHz). The complete phase diagram has been obtained from these results. The phase diagram of investigated…

Materials Science · Physics 2015-05-13 J. Macutkevic , J. Banys , R. Grigalaitis , Yu. Vysochanskii

First-principle based molecular-dynamics simulations have been performed for binary Cu$_x$Ti$_{1-x}$ (x = 0.31, 0.50, and 0.76) alloys to investigate the relationship between local structure and dynamical properties in the liquid and…

Materials Science · Physics 2024-12-06 Lucas P. Kreuzer , Fan Yang , Andreas Mayer , Noel Jakse

We have carried out molecular dynamics simulations to understand the dynamics of a tagged pair of atoms in a strongly non-ideal glass-forming binary Lennard-Jones mixture (commonly known as Kob-Andersen model). The generalized…

Chemical Physics · Physics 2009-11-07 Rajesh K. Murarka , Biman Bagchi