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Based on a spin-dependent Boltzmann-Uehling-Uhlenbeck transport model with spin-dependent potentials incorporated using the lattice Hamiltonian method, we have studied the global spin polarization perpendicular to the reaction plane as well…

Nuclear Theory · Physics 2019-12-10 Yin Xia , Jun Xu

Despite the success of the spin-thermalized assumption in explaining hyperon spin polarizations in relativistic heavy-ion collisions, challenges begin to arise especially at lower collision energies. The present study compares the nucleon…

Nuclear Theory · Physics 2026-03-02 Jun Xu

We compare the recent experimentally measured forces between charged colloidal particles, as well as their effective surface potentials (surface charge) in the presence of multivalent counterions in a bathing monovalent salt solution, with…

Soft Condensed Matter · Physics 2017-05-24 Matej Kanduč , Mohsen Moazzami Gudarzi , Valentina Valmacco , Rudolf Podgornik , Gregor Trefalt

We discuss the feasibility of the embedded cluster approach for it ab-initio calculations of charge exchange between ions and a LiF surface. We show that the discrete density of valence states in embedded clusters converges towards the…

Materials Science · Physics 2013-08-07 Ludger Wirtz , Michal Dallos , Hans Lischka , Joachim Burgdorfer

In this paper I discuss the electronic structure and properties of a specific, rather unconventional class of transition metal (TM) compounds, e.g. TM oxides, which formally have unusually high values of the oxidation state, or valence, of…

Strongly Correlated Electrons · Physics 2007-05-23 D. Khomskii

The presence of vortices in the ionisation of hydrogen atoms by positrons at intermediate impact energies is investigated. The present findings show that a previously reported minima in the fully-differential cross section is the signature…

Atomic Physics · Physics 2015-06-15 F. Navarrete , R. Della Picca , J. Fiol , R. O. Barrachina

Features of the angular distributions of accelerated atomic projectiles at grazing angles of incidence on the crystal surface are studied by using the computer simulation. The interaction between the projectiles and the crystal-lattice…

Computational Physics · Physics 2019-09-17 V. S. Malyshevsky , G. V. Fomin

We consider a quantum dot coupled to both superconducting and spin-polarized electrodes, and study the triad interplay of the Kondo effect, superconductivity, and ferromagnetism, any pair of which compete with and suppress each other. We…

Mesoscale and Nanoscale Physics · Physics 2019-03-06 Minchul Lee , Mahn-Soo Choi

Heterogeneous nucleation on catalytic surfaces plunged into a fluid is described through a stochastic model. To generate this non-equilibrium process we assume that the turn on of a electrostatic potential triggers a complex dynamics that…

Chemical Physics · Physics 2007-05-23 P. C. T. Dajello , I. Mozolevski , Z. G. S. Kipervaser

We demonstrate the control of $^4$He(2$^3$S$_1$)-$^7$Li(2$^2$S$_{1/2}$) chemi-ionization reactions by all-optical electron-spin-state preparation of both atomic species prior to the collision process. Our results demonstrate that…

Atomic Physics · Physics 2022-03-25 Tobias Sixt , Frank Stienkemeier , Katrin Dulitz

We formulate a Lattice Hamiltonian approach for the modeling of intermediate energy heavy ion collisions. After verifying stationary ground state solutions, we implement this in a calculation of nuclear stopping power and compare our…

Nuclear Theory · Physics 2009-10-31 Declan Persram , Charles Gale

A statistical theory is presented of the magnesium ion interacting with lysozyme under conditions where the latter is positively charged. Temporarily assuming magnesium is not noncovalently bound to the protein, I solve the nonlinear…

Soft Condensed Matter · Physics 2021-08-10 Theo Odijk

We use the Newns-Anderson Hamiltonian to describe many-body electronic processes that occur when hyperthermal alkali atoms scatter off metallic surfaces. Following Brako and Newns, we expand the electronic many-body wavefunction in the…

In order to compare theoretical calculations of thermal fluctuations of conserved quantities, such as charge susceptibilities or the specific heat, to experimentally measured correlations and fluctuations in heavy ion collisions, one must…

Nuclear Theory · Physics 2017-05-31 Scott Pratt , Clint Young

An increasing interest in multinucleon transfer processes in low-energy deep inelastic (damped) collisions of heavy ions appeared in recent years is due, in part, to by the possibility of using them as a method of production of heavy…

Nuclear Theory · Physics 2019-01-23 Vyacheslav Saiko , Alexander Karpov

We study the distribution of multivalent counterions next to a dielectric slab, bearing a quenched, random distribution of charges on one of its solution interfaces, with a given mean and variance, both in the absence and in the presence of…

Soft Condensed Matter · Physics 2015-06-22 Ali Naji , Malihe Ghodrat , Haniyeh Komaie-Moghaddam , Rudolf Podgornik

Transfer-ionization in fast collisions between a bare ion and an atom, in which one of the atomic electrons is captured by the ion whereas another one is emitted, crucially depends on dynamic electron-electron correlations. We show that in…

Atomic Physics · Physics 2013-05-15 A. B. Voitkiv

We calculate the ion and composition distributions around colloid particles in an aqueous mixture, accounting for preferential adsorption, electrostatic interaction, selective solvation among ions and polar molecules, and…

Soft Condensed Matter · Physics 2011-11-04 Ryuichi Okamoto , Akira Onuki

Confronting grand canonical titration Monte Carlo simulations (MC) with recently published titration and charge reversal (CR) experiments on silica surfaces by Dove et al. and van der Heyden it et al, we show that ion-ion correlations…

Soft Condensed Matter · Physics 2008-12-02 Christophe Labbez , Bo Jonsson , Michal Skarba , Michal Borkovec

Hydrogen as a fuel can be stored safely with high volumetric density in metals. It can, however, also be detrimental to metals causing embrittlement. Understanding fundamental behavior of hydrogen at atomic scale is key to improve the…

Materials Science · Physics 2020-02-05 Sytze de Graaf , Jamo Momand , Christoph Mitterbauer , Sorin Lazar , Bart J. Kooi