English
Related papers

Related papers: Modeling Low-Temperature Plasmas Simulating Titan'…

200 papers

Atmospheric pressure helium plasmas are investigated through molecular dynamics simulations at room temperature (300 K) for various ionization fractions ($\chi_i = 10^{-1} - 10^{-5}$) in the strongly coupled regime (ion coupling parameter,…

Plasma Physics · Physics 2024-10-24 Swati Swagatika Mishra , Pascal Brault , Sudeep Bhattacharjee

A kinetic approach for the evolution of ultracold neutral plasmas including interionic correlations and the treatment of ionization/excitation and recombination/deexcitation by rate equations is described in detail. To assess the…

Atomic Physics · Physics 2009-11-10 T. Pohl , T. Pattard , J. M. Rost

We present a comprehensive photochemistry model for exploration of the chemical composition of terrestrial exoplanet atmospheres. The photochemistry model is designed from the ground up to have the capacity to treat all types of terrestrial…

Earth and Planetary Astrophysics · Physics 2015-06-11 Renyu Hu , Sara Seager , William Bains

Photoionization modelling allows to follow the transport, the emergence, and the absorption of photons taking into account all important processes in nebular plasmas. Such modelling needs the spatial distribution of density, chemical…

Astrophysics of Galaxies · Physics 2015-03-16 B. Melekh , S. Recchi , G. Hensler , O. Buhajenko

Ion nitriding and ion carburising by plasma discharges are promising techniques in order to modify the surface of austenitic steels. Plasma treatments improve mechanical properties, e.g., hardness and wear resistance. Indeed, these…

Plasma Physics · Physics 2014-07-16 Javier García Molleja , Pablo Romero-Gómez , Jorge Feugeas

Ultracold fermionic atoms in optical lattices offer pristine realizations of Hubbard models, which are fundamental to modern condensed matter physics. Despite significant advancements, the accessible temperatures in these optical lattice…

Using reconstructed initial conditions in the SDSS survey volume, we carry out constrained hydrodynamic simulations in three regions representing different types of the cosmic web: the Coma cluster of galaxies; the SDSS great wall; and a…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-08 Renjie Li , Huiyuan Wang , H. J. Mo , Shuiyao Huang , Neal Katz , Xiong Luo , Weiguang Cui , Hao Li , Xiaohu Yang , Ning Jiang , Yuning Zhang

Through the last decade, cold atmospheric plasma (CAP) has emerged as an innovative therapeutic option for cancer treatment. Recently, we have set up a potentially safe atmospheric pressure plasma jet device that displays antitumoral…

Super-Earths and sub-Neptunes are the most common exoplanets, with a "radius valley" suggesting that super-Earths may form by shedding sub-Neptunes' gaseous envelopes. Exoplanets that lie closer to the super-Earth side of the valley are…

Simulations of high-density deuterium plasmas in a lower single-null magnetic configuration based on a TCV discharge are presented. We evolve the dynamics of three charged species (electrons, D$^{+}$ and D$_{2}^{+}$), interacting with two…

Plasma Physics · Physics 2023-09-06 D. Mancini , P. Ricci , N. Vianello , G. Van Parys , D. S. Oliveira

We report the results of the trajectory-based simulation of far-infrared collision-induced absorption (CIA) due to CH$_4-$N$_2$ pairs at temperatures between 70 and 400 K. Our analysis utilizes recently calculated high-level potential…

Earth and Planetary Astrophysics · Physics 2021-11-24 Artem Finenko , Bruno Bézard , Iouli Gordon , Daniil Chistikov , Sergei Lokshtanov , Sergey Petrov , Andrey Vigasin

The upper atmospheres of temperate sub-Neptunes are strongly influenced by atmospheric dynamics due to their cool equilibrium temperature and thereby longer chemical timescales than the atmospheric dynamical timescales. In this study, we…

Earth and Planetary Astrophysics · Physics 2026-04-24 Jiachen Liu , Duncan Christie , Jun Yang , Krisztian Kohary

The first experimental study of the low-temperature kinetics of the gas-phase reaction of NH2 with formaldehyde (CH2O) has been performed. This reaction has previously been suggested as a source of formamide (NH2CHO) in interstellar…

Astrophysics of Galaxies · Physics 2022-10-05 Kevin M. Douglas , Daniel Lucas , Catherine Walsh , Niclas A. West , Mark A. Blitz , Dwayne E. Heard

Dynamic and thermal processes regulate the structure of the multi-phase interstellar medium (ISM), and ultimately establish how galaxies evolve through star formation. Thus, to constrain ISM models and better understand the interplay of…

This concept review paper analyses the possibility to develop a technical solution for the challenging reaction of CO$_2$ splitting to carbon and O$_2$ (CO$_2$tC). This is a dream reaction in the area of addressing climate change and…

Plasma Physics · Physics 2022-04-29 Gabriele Centi , Siglinda Perathoner , Georgia Papanikolaoua

A new chemical model is presented that simulates fully-coupled gas-phase, grain-surface and bulk-ice chemistry in hot cores. Glycine (NH2CH2COOH), the simplest amino acid, and related molecules such as glycinal, propionic acid and propanal,…

Astrophysics of Galaxies · Physics 2015-06-12 Robin T. Garrod

A new magnetic phase with $T_C = 72 \ \mathrm K$ was obtained by exposing the three-dimensional $\mathrm{\{ [Mn^{II}(H_2O)_2]_2[Nb^{IV}(CN)_8] \cdot 4H_2O \} _n}$ coordination ferrimagnet ($T_C = 49 \ \mathrm K$) to air, oxygen, nitrogen,…

Materials Science · Physics 2024-02-29 Dominik Czernia , Piotr Konieczny , Marcin Perzanowski , Beata Nowicka , Dawid Pinkowicz

A phase-field crystal model based on the density-field approach incorporating high-order interparticle direct correlations is developed to study vapor-liquid-solid coexistence and transitions within a single continuum description.…

Materials Science · Physics 2020-10-21 Zi-Le Wang , Zhirong Liu , Zhi-Feng Huang , Wenhui Duan

Hydrogen peroxide (H2O2) is an important signaling molecule in cancer cells. However, the significant secretion of H2O2 by cancer cells have been rarely observed. Cold atmospheric plasma (CAP) is a near room temperature ionized gas composed…

Cell Behavior · Quantitative Biology 2017-07-04 Dayun Yan , Haitao Cui , Wei Zhu , Annie Talbot , Lijie Grace Zhang , Jonathan H. Sherman , Michael Keidar

This work expands on our recently introduced low Mach enthalpy method [1] for simulating the melting and solidification of a phase change material (PCM) alongside (or without) an ambient gas phase. The method captures PCM's volume change…

Fluid Dynamics · Physics 2025-03-11 Ramakrishnan Thirumalaisamy , Amneet Pal Singh Bhalla
‹ Prev 1 8 9 10 Next ›