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Hydrogen activation is a key elementary step in catalytic hydrogenation. In heterogeneous catalysis, it usually proceeds through dissociative adsorption on metal nanoparticles followed by surface diffusion or spillover, whereas homogeneous…

The ability of gas-surface dynamics studies to resolve the velocity distribution of the scattered species in the 2D sacattering plane has been limited by technical capabilities and only a few different approaches have been explored in…

化学物理 · 物理学 2016-11-23 David J. Hadden , Thomas M. Messider , Joseph G. Leng , Stuart J. Greaves

We study the three-body problem of two ultracold identical bosonic atoms (denoted by $B$) and one extra atom (denoted by $X$), where the scattering length $a_{BX}$ between each bosonic atom and atom $X$ is resonantly large and positive. We…

量子气体 · 物理学 2018-04-11 Chao Gao , Peng Zhang

Droplet impact on solid surfaces is a fluid phenomenon widely involved in additive manufacturing, heat management, and coating, in which the ability to exert control over the impact dynamics and duration is critical. While past studies have…

流体动力学 · 物理学 2023-02-14 Hussein Dalgamoni , Xin Yong

The layout of a new instrument designed to study the interaction of highly charged ions with surfaces, which consists of an ion source, a beamline including charge separation and a target chamber, is presented here. By varying the charge…

The design of moderators and cold sources of neutrons is a key point in research-reactor physics, requiring extensive knowledge of the scattering properties of very important light molecular liquids such as methane, hydrogen and their…

其他凝聚态物理 · 物理学 2021-04-13 Eleonora Guarini

Using molecular dynamics simulations, we reveal emergent properties of hydrated electrode interfaces that while molecular in origin are integral to the behavior of the system across long times scales and large length scales. Specifically,…

材料科学 · 物理学 2015-05-20 David T. Limmer , Adam P. Willard

Plasma-surface interactions during AlN thin film sputter deposition could be studied by means of reactive molecular dynamics (RMD) methods. This requires an interaction potential that describes all species as well as wall interactions…

等离子体物理 · 物理学 2022-08-25 Tobias Gergs , Thomas Mussenbrock , Jan Trieschmann

Sum frequency generation vibrational spectra of the water molecules at the NaF and KF aqueous solution surfaces showed significantly different spectral features and different concentration dependence. This result is the first direct…

化学物理 · 物理学 2016-08-29 Ran-ran Feng , Hong-tao Bian , Yuan Guo , Hong-fei Wang*

We investigate active electrolytes within the mean-field level of description. The focus is on how the double-layer structure of passive, thermalized charges is affected by active dynamics of all constituting ions. One feature of active…

软凝聚态物质 · 物理学 2018-05-23 Derek Frydel , Rudolf Podgornik

This third paper in this series continues the investigation of atom-field interactions in the presence of a conductor or a dielectric medium, focusing on quantum information related basic issues such as decoherence and entanglement. Here we…

量子物理 · 物理学 2025-07-29 Jen-Tsung Hsiang , Bei-Lok Hu

This paper investigates the possible use of the Hyperspherical Adiabatic basis in the description of scattering states of a three-body system. In particular, we analyze a 1+2 collision process below the three-body breakup. The convergence…

核理论 · 物理学 2009-03-24 P. Barletta , A. Kievsky

A relativistic analysis of the polarization properties of light elastically scattered by atomic hydrogen is performed, based on the Dirac equation and second order perturbation theory. The relativistic atomic states used for the…

Active droplets emit a chemical solute at their surface that modifies their local interfacial tension. They exploit the nonlinear coupling of the convective transport of solute to the resulting Marangoni flows to self-propel. Such swimming…

流体动力学 · 物理学 2021-11-29 Kevin Lippera , Michael Benzaquen , Sebastien Michelin

The deuteration of ammonia by D atoms has been investigated experimentally in the sub-monolayer regime on realistic analogues of interstellar dust grain surfaces. About 0.8 monolayer of solid NH3 was deposited on top of an oxidized graphite…

天体物理仪器与方法 · 物理学 2018-04-25 Henda Chaabouni , Marco Minissale , Saoud Baouche , François Dulieu

The differential and total cross sections for the scattering of muonic, pionic, kaonic and antiprotonic hydrogen in excited states from atomic hydrogen have been calculated for the purpose of atomic cascade calculations. The scattering…

高能物理 - 唯象学 · 物理学 2009-11-07 T. S. Jensen , V. E. Markushin

High density polyethylene surfaces were exposed to the atmospheric post-discharge of a radiofrequency plasma torch supplied in helium and oxygen. Dynamic water contact angle measurements were performed to evaluate changes in surface…

The elastic scattering, Stark transitions and Coulomb deexcitation of excited antiprotonic hydrogen atom in collisions with hydrogenic atom have been studied in the framework of the fully quantum-mechanical close-coupling method for the…

核理论 · 物理学 2007-05-23 V. P. Popov , V. N. Pomerantsev

Clarifying the factors that control the contact angle of a liquid on a solid substrate is a long-standing scientific problem pertinent across physics, chemistry and materials science. Progress has been hampered by the lack of a…

统计力学 · 物理学 2019-11-11 Robert Evans , Maria C. Stewart , Nigel B. Wilding

The folding model analysis of the elastic $\alpha + \alpha$ scattering at the incident energies below the reaction threshold of 34.7 MeV (in the lab system) has been done using the well-tested density dependent versions of the M3Y…

核理论 · 物理学 2014-03-14 Ngo Hai Tan , Nguyen Hoang Phuc , Dao T. Khoa
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