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Electrochemical Impedance Spectroscopy and Raman studies are performed on fast ion conducting, AgI-Ag2O-MoO3 glasses, over a wide range of composition to understand the features of structure, ion migration and their correlation. These…

Materials Science · Physics 2019-06-19 B. Tanujit , S. Asokan

The method of molecular dynamics is used to study behavior of a ultracold non-ideal ion-electron Be plasma in a uniform magnetic field. Our simulations yield an estimate for the rate of electron-ion collisions which is…

Plasma Physics · Physics 2018-01-17 I. L. Isaev , A. P. Gavriliuk

The latest results of the most detailed analysis of multi-epoch polarization-sensitive observations of active galactic nuclei (AGN) jets at parsecs scales by very long baseline interferometry (VLBI) reveal several characteristic patterns of…

High Energy Astrophysical Phenomena · Physics 2024-02-13 R. V. Todorov , E. V. Kravchenko , I. N. Pashchenko , A. B. Pushkarev

Using an approach based on Doi-Peliti field theory, we study several different Active Ising Models (AIMs), in each of which collective motion (flocking) of self-propelled particles arises from the spontaneous breaking of a discrete…

Statistical Mechanics · Physics 2023-10-27 Mattia Scandolo , Johannes Pausch , Michael E. Cates

One important development in interaction potential models, or atomistic force fields, for molecular simulation is the inclusion of explicit polarisation, which represents the induction effects of charged or polar molecules on polarisable…

Soft Condensed Matter · Physics 2017-05-25 Agílio A. H. Pádua

The effect of the dipole polarization on the quantum dipole dipole interaction near an Ag nanosphere (ANS) is investigated. A theoretical formalism in terms of classical Green function is developed for the transfer rate and the potential…

Quantum Physics · Physics 2018-06-19 Yun-Jin Zhao , Yong-Gang Huang , Hong Yang , Xiao-Yun Wang , Ke Deng , Zheng Zhang , He-Ping Zhao , Zhengyou Liu

We present a study for a sample of galaxies with active nuclei to characterize the main type of PAH molecules present in these objects and the local physical conditions of their irradiating sources, as well as the characteristics of the…

The remarkable single particle control of individual ions combined with the versatility of ultracold atomic gases makes hybrid ion-atom system an exciting new platform for quantum simulation of few- and many-body quantum physics. Here, we…

Quantum Gases · Physics 2022-02-09 Esben Rohan Christensen , Arturo Camacho-Guardian , Georg M. Bruun

A recently developed model to describe proton collisions from molecules involving basic atoms such as hydrogen, carbon, nitrogen, oxygen and phosphorus (H, C, N, O, P) is extended to treat collisions with multiply charged ions. The ion-atom…

Atomic Physics · Physics 2020-07-01 Hans Jürgen Lüdde , Thilo Kalkbrenner , Marko Horbatsch , Tom Kirchner

An extended Designed regression analysis of experimental data on density and refractive indices of several classes of ionic liquids yielded statistically averaged atomic volumes and polarizabilities of the constituting atoms. These values…

To include the bound electron effects in particle-in-cell (PIC) simulation, we propose a model in which the response of the dipole components of partially ionized ions to external electromagnetic fields can be included. Instead of treating…

Plasma Physics · Physics 2022-08-18 Xiangyan An , Min Chen , Zheng-Ming Sheng , Jie Zhang

In this work, we report the results from molecular dynamics simulations of lithium salt-ionic liquid electrolytes (ILEs) based either on the symmetric bis[(trifluoromethyl)sulfonyl]imide ($\text{TFSI}^-$) anion or its asymmetric analog…

Chemical Physics · Physics 2022-03-23 Alina Wettstein , Diddo Diddens , Andreas Heuer

The structural and electrical characterizations of mechanically-milled (MM) amorphous fast ionic conductors (a-FICs), viz. xAgI (100-x)[0.67 Ag\_2 O-0.33V\_2O\_5] (x = 40, 50, 55 and 70) have been reported. The amorphisation is restricted…

Materials Science · Physics 2009-01-22 Parveen Kumar , K. Shahi

The aim of this paper is to contribute to the basic understanding of neuronal polarization mechanisms by developing and studying a reaction-diffusion model for protein activation and inactivation. In particular we focus on a feedback loop…

Subcellular Processes · Quantitative Biology 2012-05-30 Natalie Emken , Andreas Püschel , Martin Burger

A compact analytical model is developed for the mobile charge density of polar multiple channel field effect transistors. Two dimensional electron and hole gases can be potentially induced by spontaneous and piezoelectric polarization in…

Applied Physics · Physics 2026-03-30 Aias Asteris , Thai-Son Nguyen , Huili Grace Xing , Debdeep Jena

Polarized infrared emission from polycyclic aromatic hydrocarbons (PAHs) is important for testing the basic physics of alignment of ultrasmall grains and potentially offers a new way to trace magnetic fields. In this paper, a new model of…

Astrophysics of Galaxies · Physics 2017-12-15 Thiem Hoang

Electronic polarization and charge transfer effects play a crucial role in thermodynamic, structural and transport properties of room-temperature ionic liquids (RTILs). These non-additive interactions constitute a useful tool for tuning…

Materials Science · Physics 2014-09-09 Vitaly V. Chaban , Oleg V. Prezhdo

Basic understanding of the driving forces of ion conduction in solids is critical to the development of new solid-state ion conductors. Physical understanding of ion conduction is limited due to strong deviations from harmonic vibrational…

Materials Science · Physics 2020-12-15 Thomas M. Brenner , Christian Gehrmann , Roman Korobko , Tsachi Livneh , David A. Egger , Omer Yaffe

We use a set of AMR hydrodynamic simulations post-processed with the radiative-transfer code RADAMESH to study how inhomogeneous HeII reionization affects the intergalactic medium (IGM). We propagate radiation from active galactic nuclei…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Michele Compostella , Sebastiano Cantalupo , Cristiano Porciani

We present 870 $\mu$m ALMA polarization observation toward the Class I\hspace{-.1em}I protoplanetary disk around AS 209, which has concentric, multiple gaps and rings. We successfully detect the polarized emission and find that the…

Earth and Planetary Astrophysics · Physics 2019-09-25 Tomohiro Mori , Akimasa Kataoka , Satoshi Ohashi , Munetake Momose , Takayuki Muto , Hiroshi Nagai , Takashi Tsukagoshi