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The increase in anthropogenic carbon dioxide (CO$_2$) emissions has exacerbated the deterioration of the global environment, which should be controlled to achieve carbon neutrality. Central to the core goal of achieving carbon neutrality is…

化学物理 · 物理学 2022-06-14 Huabin Zhang , Xiaofei Zhang

In semiconductor manufacturing, contamination due to particulates significantly decreases the yield and quality of device fabrication, therefore increasing the cost of production. Dust particle clouds can be found in almost all plasma…

天体物理学 · 物理学 2008-11-26 B. Smith , T. Hyde , L. Matthews , J. Reay , M. Cook , J. Schmoke

Laser-produced plasma (LPP) induced during irradiation of a liquid tin droplet with diameter of 150 um and 180 um by CO2 laser pulse with various pulse durations and energies is considered. The two-dimensional radiative magnetohydrodynamic…

等离子体物理 · 物理学 2022-10-05 Vasily S Zakharov , Xinbing Wang , Sergey V. Zakharov , Duluo Zuo , Junwu Wang

We present a computational study of the dynamic behavior of a Ziff-Gulari-Barshad model of CO oxidation with CO desorption on a catalytic surface. Our results provide further evidence that below a critical desorption rate the model exhibits…

材料科学 · 物理学 2007-05-23 E. Machado , G. M. Buendia , P. A. Rikvold , R. M. Ziff

We study thermal instability in a magnetized and partially ionized plasma with charged dust particles. Our linear analysis shows that the growth rate of the unstable modes in the presence of dust particles strongly depends on the ratio of…

天体物理学 · 物理学 2009-11-13 Mohsen Shadmehri , Sami Dib

The photochemical CO2 reduction reaction represents a zero-carbon pathway for converting CO2 into value-added chemicals, yet its industrial implementation has been constrained by low selectivity and product diversity. Dirac nodal arc…

材料科学 · 物理学 2026-02-23 Kangwang Wang , Jie Zhan , Jun Liu , Zaichen Xiang , Wanyi Zhang , Lingyong Zeng , Kai Yan , Yan Sun , Huixia Luo

Accurately modeling chemical reactions at the atomistic level requires high-level electronic structure theory due to the presence of unpaired electrons and the need to properly describe bond breaking and making energetics. Commonly used…

The mechanisms of direct detonation initiation (DDI) in methane/air mixtures containing coal particles are investigated through simulations conducted using the Eulerian-Lagrangian method in a two-dimensional configuration. Methane-air…

化学物理 · 物理学 2025-03-05 Shengnan Li , Shangpeng Li , Shumeng Xie , Yong Xu , Ke Gao , Huangwei Zhang

We use a gray molasses operating on the D$_1$ atomic transition to produce degenerate quantum gases of $^{6}$Li with a large number of atoms. This sub-Doppler cooling phase allows us to lower the initial temperature of 10$^9$ atoms from 500…

量子气体 · 物理学 2015-06-22 A. Burchianti , G. Valtolina , J. A. Seman , E. Pace , M. De Pas , M. Inguscio , M. Zaccanti , G. Roati

We predict a stable density-waves-type supersolid phase of a dilute gas of tilted dipolar bosons in a two-dimensional (2D) geometry. This many-body phase is manifested by the formation of the stripe pattern and elasticity coexisting…

量子气体 · 物理学 2025-02-05 A. N. Aleksandrova , I. L. Kurbakov , A. K. Fedorov , Yu. E. Lozovik

We study barrier discharges in CO$_2$ using optical emission spectroscopy and electrical measurements. We record the spectra of weak CO$_2$ barrier discharge emission in UV-VIS-NIR range. The CO spectral bands of 3rd positive, Angstrom and…

等离子体物理 · 物理学 2024-10-10 Tomáš Hoder , David Prokop , Corentin Bajon , Simon Dap , Zdeněk Navrátil , Nicolas Naudé

Two-dimensional (2D) dipolar atomic gases present unique opportunities for exploring novel quantum phases due to their anisotropic and long-range interactions. However, the behavior of strongly dipolar Bose gases in 2D remains unclear,…

Due to critical environmental issues there is a pressing need to switch from current refrigeration methods based on compression of greenhouse gases to novel solid-state cooling technologies. Solid-state cooling capitalizes on the thermal…

材料科学 · 物理学 2022-08-11 Claudio Cazorla

Metallic bismuth is both non-toxic and cost-effective. Bi-based catalysts have demonstrated the ability to efficiently produce HCOOH through CO2RR while effectively inhibiting the HER. Although many experiments have been reported concerning…

化学物理 · 物理学 2024-09-19 Mengting Zhou , Hongxia Liu , Juntao Yan , Qingjun Chen , Rong Chen , Lei Liu

An experimental study of laser driven electron acceleration in N2 and N2-He mixed gas-jet target using laser pulses of duration ~60-70 fs is presented. Generation of relativistic electron beam with quasi-thermal spectra was observed at a…

等离子体物理 · 物理学 2020-01-08 D. Hazra , A. Moorti , S. Mishra , A. Upadhyay , J. A. Chakera

Electrochemical CO2 reduction (CO2R) offers a promising approach to decarbonize chemical manufacturing through production of carbon-neutral fuels. However, insufficient performance and instability of membrane electrode assembly (MEA)…

Understanding the lifetime of CO2 in the atmosphere is critical for predictions regarding future climate changes. A simple mass conservation analysis presented here generates tight estimations for the atmosphere's retention time constant.…

大气与海洋物理 · 物理学 2014-12-31 Riccardo DeSalvo

Recently we reported on the condensation of cold, electrostatically trapped dipolar excitons in GaAs bilayer heterostructure into a new, dense and dark collective phase. Here we analyze and discuss in detail the experimental findings and…

量子气体 · 物理学 2017-04-04 Yotam Mazuz-Harpaz , Kobi Cohen , Ronen Rapaport

Modern particle detectors crucially depend on efficient cooling systems. Two-phase carbon dioxide (CO$_2$) is a suitable solution as a cooling agent. This publication presents the observations and results of investigations of horizontal and…

仪器与探测器 · 物理学 2023-12-19 Alexander Siegfanz , Wolfgang Wagner , Uwe Janoske

The prospects for achieving net energy production with pB11 fuel have recently considerably brightened. Studies have shown that the multi-GG field potentially obtainable with modest dense plasma focus devices have the effect of reducing the…

等离子体物理 · 物理学 2007-10-17 Eric J. Lerner , Robert E. Terry