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Atomic partial charges appear in the Coulomb term of many force-field models and can be derived from electronic structure calculations with a myriad of atoms-in-molecules (AIM) methods. More advanced models have also been proposed, using…

We propose a new way for sympathetic cooling of ions in an electromagnetic Paul trap: it implies the use for this purpose of cold buffer atoms in the region of atom-ion confinement-induced resonance (CIR). The problem is that the…

Atomic Physics · Physics 2021-05-19 Vladimir S. Melezhik

Climate emergency has led to the investigation of CO$_{2}$ valorization routes. A competitive process included in this framework is the catalytic CO$_{2}$ cycloaddition to epoxides, to produce cyclic carbonates. Halide-based Ionic liquids…

Soft Condensed Matter · Physics 2025-03-17 Sergio Dorado-Alfaro , Elisa Hernández , Jesús Algaba , Pablo Navarro , Felipe J. Blas , José Palomar

Using the collective variables method we revisit the estimates of the Ginzburg temperature for the Coulomb-dominated models of ionic fluids. We consider the charge-asymmetric primitive model supplemented by short-range attractive…

Statistical Mechanics · Physics 2013-04-30 Oksana Patsahan

We present the results from an extensive atomistic molecular dynamics simulation study of poly(ethylene oxide) (PEO) doped with various amounts of lithium-bis(trifluoromethane)sulfonimide (LiTFSI) salt under the influence of external…

Soft Condensed Matter · Physics 2021-03-10 Alina Wettstein , Diddo Diddens , Andreas Heuer

The dynamic electron-ion collisions play an important rolein determining the static and transport properties of warmdense matter (WDM). Electron force field (eFF) method is applied to study the ionic transport properties of warm…

Computational Physics · Physics 2021-01-15 Yunpeng Yao , Qiyu Zeng , Ke Chen , Dongdong Kang , Yong Hou , Qian Ma , Jiayu Dai

Transport properties of high-energy-density plasmas are influenced by the ion collision rate. Traditionally, this rate involves the Coulomb logarithm, $\ln\Lambda$. Typical values of $\ln\Lambda$ are $\approx 10~\mbox{to}~20$ in kinetic…

We extend our previous work on the 2D Dimits transition in ion-scale turbulence (Ivanov et al. 2020) to include variations along the magnetic field. We consider a three-field fluid model for the perturbations of electrostatic potential, ion…

Plasma Physics · Physics 2022-10-14 Plamen G. Ivanov , Alexander A. Schekochihin , William Dorland

The inclusion of electronic polarization is of crucial importance in molecular simulations of systems containing charged moieties. When neglected, as often done in force field simulations, charge-charge interactions in solution may become…

Chemical Physics · Physics 2023-08-11 Vojtech Kostal , Pavel Jungwirth , Hector Martinez-Seara

The properties of a partially ionized plasma in a long cylindrical tube subject to a uniform axial electric field are investigated. The plasma is maintained by an external ionizing source balanced by bulk and surface recombinations.…

Plasma Physics · Physics 2009-10-30 Joel L. Lebowitz , Alexander Rokhlenko

We present a method for performing path integral molecular dynamics (PIMD) simulations for fermions and address its sign problem. PIMD simulations are widely used for studying many-body quantum systems at thermal equilibrium. However, they…

Chemical Physics · Physics 2020-05-07 Barak Hirshberg , Michele Invernizzi , Michele Parrinello

Proximity-induced magnetization (PIM) has broad implications across interface-driven spintronics applications employing spin-currents. We directly determine the scaling between PIM in Pt and the temperature-dependent interface magnetization…

Materials Science · Physics 2019-11-20 O. Inyang , L. Bouchenoire , B. Nicholson , M. Tokac , R. M. Rowan-Robinson , C. J. Kinane , A. T. Hindmarch

The onset of the Rayleigh-Taylor instability is studied a compressible Brownian Yukawa fluid mixture on the ``molecular'' length and time scales of the individual particles. As a model, a two-dimensional phase-separated symmetric binary…

Soft Condensed Matter · Physics 2007-05-23 A. Wysocki , H. Löwen

This tutorial introduces the dynamics of charged particles in a radiofrequency trap in a very general manner to point out the differences between the dynamics in a quadrupole and in a multipole trap. When dense samples are trapped, the…

Quantum Physics · Physics 2015-05-13 Caroline Champenois

Lithium chloride LiCl is widely used as a prototype system to study the strongly dissociated 1-1 electrolyte solution. Here, we combined experimental measurements and classical molecular dynamics simulations to study the ion conduction in…

Soft Condensed Matter · Physics 2019-05-14 Are Yllö , Chao Zhang

The selection of suitable ionic liquids (ILs) is critical for CO2 capture and electrocatalytic conversion into valuable chemical products. The screening process can be enhanced with theoretical simulations that reveal the…

Chemical Physics · Physics 2025-08-14 Jikai Sun , Alejandro Gallegos , Runtong Pan , Jianzhong Wu

Hadronic transport approaches based on an effective solution of the relativistic Boltzmann equation are widely applied for the dynamical description of heavy ion reactions at low beam energies. At high densities, the assumption of binary…

Nuclear Theory · Physics 2017-02-14 Dmytro Oliinychenko , Hannah Petersen

We study ionic liquids interacting with electrified interfaces. The ionic fluid is modeled as a Coulomb lattice gas. We compare the ionic density profiles calculated using a popular modified Poisson-Boltzmann equation with the explicit…

Soft Condensed Matter · Physics 2017-12-21 Matheus Girotto , Thiago Colla , Alexandre P. dos Santos , Yan Levin

The influence of spatial confinement on the thermally excited stochastic cation dynamics of the room-temperature ionic liquid 1-N-butylpyridinium bis-((trifluoromethyl)sulfonyl)imide ([BuPy][Tf_2N]) inside porous carbide-derived carbons…

Chemical Physics · Physics 2020-06-02 Mark Busch , Tommy Hofmann , Bernhard Frick , Jan P. Embs , Boris Dyatkin , Patrick Huber

Premelting at the ice-polymer interfaces, in which a quasi-liquid layer (QLL) forms below the melting point, is strongly influenced by polymer surface chemistry; however, the molecular-scale mechanisms underlying these effects remain poorly…

Soft Condensed Matter · Physics 2025-04-29 Takumi Sato , Ikki Yasuda , Noriyoshi Arai , Kenji Yasuoka