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Ultrafine particle behavior in electro-hydrodynamic (EHD) flow induced by corona discharge is studied experimentally and numerically. The EHD flow serves as a primary particle aspiration/sampling mechanism, the collector does not require…

流体动力学 · 物理学 2020-05-26 Ravi Sankar Vaddi , Yifei Guan , Igor Novosselov

The hydrogen molecules $H_2$ and $(H_2)_2$ are analyzed with electronic correlations taken into account between the $1s$ electrons exactly. The optimal single-particle Slater orbitals are evaluated in the correlated state of $H_2$ by…

Charge-transfer-to-solvent (CTTS) reactions of hydroxide induced by 200 nm monophotonic or 337 nm and 389 nm biphotonic excitation of this anion in aqueous solution have been studied by means of pump-probe ultrafast laser spectroscopy.…

Atmospheric-pressure microdischarges excited by nanosecond high-voltage pulses are investigated in helium-nitrogen mixtures by first-principles particle-based simulations that include VUV resonance radiation transport via tracing photon…

等离子体物理 · 物理学 2018-07-04 Zoltan Donko , Satoshi Hamaguchi , Timo Gans

The structural, electronic, and spectroscopic properties of a high-pressure phase of methane hydrate (MH-III) are studied by first principles electronic structure calculations. A detailed analysis of the atomic positions suggests that {\it…

材料科学 · 物理学 2007-05-23 Toshiaki Iitaka , Toshikazu Ebisuzaki

The behavior of liquid water under an electric field is a crucial phenomenon in science and engineering. However, its detailed description at a microscopic level is difficult to achieve experimentally. Here we report on the first ab initio…

软凝聚态物质 · 物理学 2012-05-16 A. Marco Saitta , Franz Saija , Paolo V. Giaquinta

Application of a sufficiently strong electric field to an aqueous solution induces a phenomenon known as `electrohydraulic discharge'. The electric field causes the water to break down, generating either a corona (at lower field strengths)…

流体动力学 · 物理学 2010-10-19 John C. Creasey , Brad S. Hamlin , William D. Ristenpart

An extensive series of neutron diffraction experiments and molecular dynamics simulations has shown that mixtures of methanol and water exhibit extended structures in solution despite the components being fully miscible in all proportions.…

软凝聚态物质 · 物理学 2009-11-10 L. Dougan , S. P. Bates , R. Hargreaves , J. P. Fox , J. Crain , J. L. Finney , V. Reat , A. K. Soper

High-frequency (HF) conductivity ($\sigma_{hf}$) measured by an acoustical method has been studied in GaAs/AlGaAs heterostructures in a linear and nonlinear regime on acoustic power. It has been shown that in the quantum Hall regime at…

介观与纳米尺度物理 · 物理学 2015-06-25 I. L. Drichko , A. M. Diakonov , I. Yu. Smirnov , A. V. Suslov

High-harmonic generation (HHG) in liquids is opening new opportunities for attosecond light sources and attosecond time-resolved studies of dynamics in the liquid phase. In gas-phase HHG, few-cycle pulses are routinely used to create…

In this paper is calculated and analyzed the dielectric behavior of carbon dioxide - methanol mixture and evaluate how the correct reproduction of the electrical properties of this molecules influences in the mixture of these two…

软凝聚态物质 · 物理学 2022-03-11 Raúl Fuentes-Azcatl , Hector Dominguez

Methanol-water liquid mixtures have been investigated by high-energy synchrotron X-ray and neutron diffraction at low temperatures. We are thus able to report the first complete sets of both X-ray and neutron weighted total scattering…

The collision of two expanding plasma clouds is investigated, emphasizing instabilities and electron energization in the plasma mixing layer. This work is directly relevant to laboratory experiments with explosively-created laser or z-pinch…

等离子体物理 · 物理学 2022-08-24 M. A. Malkov , V. I. Sotnikov

Theoretical cross sections for the pressure broadening by hydrogen of rotational transitions of water are compared to the latest available measurements in the temperature range 65-220 K. A high accuracy interaction potential is employed in…

化学物理 · 物理学 2015-05-19 Laurent Wiesenfeld , Alexandre Faure

In this work the systematic theory of discharge structure is built for highly electronegative plasma, by means of self-consistent fluid model simulation that is based on the finite element method. The highly electronegative plasma is…

等离子体物理 · 物理学 2025-04-22 Yuan-He Sun , Shu-Xia Zhao , Yu Tian

While hydroxyl radicals ($\cdot$OH) play an important role as potent oxidizing agents in various plasma applications, their high reactivity confines them to a thin layer at the plasma-liquid interface, posing challenges in comprehending the…

等离子体物理 · 物理学 2024-11-18 Seungjun Lee , Hyung-Gu Kang , Minkwan Kim , Gunsu Yun

Integral-field spectroscopy of molecular hydrogen in the optical wavelength region and complementary long-slit near-infrared spectroscopy are presented towards HH91A.The detection of some 200 H_2 lines arising from ro-vibrational levels up…

天体物理学 · 物理学 2009-11-13 Roland Gredel

The observation of non-perturbative harmonic emission in solids from ultrashort laser pulses [1] sparked a wave of studies [2,3] as a probe of charge carrier dynamics in solids under strong fields and a route to extreme ultraviolet (XUV)…

Based on the consideration of increasing the number of initial electrons and providing an appropriate distribution of electric field strength for discharge space, a method of adopting the wire-cylindrical type electrode structure with a…

等离子体物理 · 物理学 2020-08-26 Shuai Zhao , Yong Hao , Tao Qiao , Weisheng Cui

In this work, we examine metal electrode-ionomer electrolyte systems at high voltage / negative surface charge and at high pH to assess factors that influence hydrogen production efficiency. We simulate the hydrogen evolution electrode…

化学物理 · 物理学 2019-09-04 Reese E. Jones , William C. Tucker , Matthew J. L. Mills , Sanjeev Mukerjee