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We use an independent electron model with semi-classical approximation to electron dynamics to investigate differential cross sections for electron emission in fast collisions of protons with ammonia molecules. An effective potential model…

原子物理 · 物理学 2023-09-29 Alba Jorge , Marko Horbatsch , Tom Kirchner

The impacts of both exchange interaction and electron correlation, as well as their combined impact, on electron elastic scattering off a semifilled shell Mn(...$3d^{5}$$4s^{2}$, $^{6}S$) atom are theoretically studied in the electron…

原子物理 · 物理学 2013-08-15 V. K. Dolmatov , M. Ya. Amusia , L. V. Chernysheva

It is well known that conductivity of disordered metals is suppressed in the limit of low frequencies and temperatures by quantum corrections. Although predicted by theory to exist up to much higher energies, such corrections have so far…

介观与纳米尺度物理 · 物理学 2019-12-18 P. Neilinger , J. Greguš , D. Manca , B. Grančič , M. Kopčík , P. Szabó , P. Samuely , R. Hlubina , M. Grajcar

We have recently demonstrated static trapping of ammonia isotopologues in a decelerator that consists of a series of ring-shaped electrodes to which oscillating high voltages are applied [Quintero-P\'{e}rez et al., Phys. Rev. Lett. 110,…

Materials in which electrons occupy interstitial sites as anions are called electrides and exhibit unusual dimensionality-dependent electronic behavior. These properties make electrides attractive for catalysis, transparent conductors, and…

材料科学 · 物理学 2026-01-01 Lee A. Burton

Time resolved transient absorption spectroscopy has been used to determine quantum yields for electron photodetachment in 193 nm and (where possible) 248 nm laser excitation of miscellaneous aqueous anions, including hexacyanoferrate(II),…

化学物理 · 物理学 2016-09-28 Myran C. Sauer , R. A. Crowell , Ilya A. Shkrob

Hydrodynamic-like electron flows are typically modeled using the Stokes-Ohm equation or a kinetic description that is based on a dual-relaxation time approximation. Such models assume a short intrinsic mean free path $\ell_e$ due to…

介观与纳米尺度物理 · 物理学 2025-03-19 Nitay Ben-Shachar , Johannes Hofmann

We propose a model of ion-electron plasma (or nucleus-electron plasma) that accounts for the electronic structure around nuclei (i.e. ion structure) as well as for ion-ion correlations. The model equations are obtained through the…

等离子体物理 · 物理学 2023-03-30 T. Blenski , R. Piron

We address the question whether observables of an exactly solvable model of electrons coupled to (optical) phonons relax into large time stationary state values and investigate if the asymptotic expectation values can be computed using a…

强关联电子 · 物理学 2010-08-25 D. M. Kennes , V. Meden

Relations between particle and wave properties for charge carriers in periodic potentials of crystalline metals and semiconductors are derived. The particle aspects of electrons and holes in periodic potentials are considered using…

介观与纳米尺度物理 · 物理学 2020-07-15 Wlodek Zawadzki

We study the reentrant condensation of polyelectrolytes in dilute solutions of small multivalent salts, whose phase-transition mechanism remains poorly understood. Motivated by recent full atomic simulation results reported by the Caltech…

软凝聚态物质 · 物理学 2024-05-13 Huaisong Yong , Bilin Zhuang , Sissi de Beer

The abundance spectrum of Na^-_{n~7-140} anions formed by low energy electron attachment to free nanoclusters is measured to be strongly and nontrivially restructured with respect to the neutral precursor beam. This restructuring is…

原子与分子团簇 · 物理学 2008-06-11 Roman Rabinovitch , Chunlei Xia , Vitaly V. Kresin

The nature of mobility of ions and water molecules in dilute aqueous solutions of electrolytes (at most fifteen water molecules per ion) is investigated. It is shown that the behavior of the mobility coefficients of water molecules and…

化学物理 · 物理学 2012-03-20 L. A. Bulavin , I. V. Zhyganiuk , M. P. Malomuzh , K. M. Pankratov

High-concentration aqueous electrolytes have shown promise as candidates for a safer, lower-cost battery system. Ionic conductivity is a key property required in high performing electrolytes; the Advanced Electrolyte Model (AEM) has…

Quantum sensing with spin defects in diamond, such as the nitrogen-vacancy (NV) center, enables the detection of various chemical species on the nanoscale. Molecules or ions with unpaired electronic spins are typically probed by their…

When electrodes are biased above the plasma potential, electrons accelerated through the associated electron sheath can dramatically increase the ionization rate of neutrals near the electrode surface. It has previously been observed that…

等离子体物理 · 物理学 2017-12-06 Brett Scheiner , Edward Barnat , Scott Baalrud , Matthew Hopkins , Benjamin Yee

Molecular dynamics simulations are used to study the mechanism and kinetics of hydrated electron diffusion. The electron center of mass is found to exhibit Brownian-type behavior with a diffusion coefficient considerably greater than that…

化学物理 · 物理学 2012-11-06 Kafui A. Tay , François-Xavier Coudert , Anne Boutin

Experiments using the Surface Force Apparatus (SFA) have found anomalously long ranged charge-charge underscreening in concentrated salt solutions. Meanwhile, theory and simulations have suggested ion clustering to be the possible origin of…

软凝聚态物质 · 物理学 2024-08-13 David Ribar , Clifford E. Woodward , Sture Nordholm , Jan Forsman

We consider the problem of electron transport along a one-dimensional disordered multiple-scattering conductor, and study the electron density for all the electronic levels. A model is proposed for the reduced density matrix of the system…

无序系统与神经网络 · 物理学 2023-03-14 Gerardo Rivas , Miztli Yepez , Pier A. Mello

Electrolyte solutions based on the propylene carbonate (PC)-dimethoxyethane (DME) mixtures are of significant importance and urgency due to emergence of lithium-ion batteries. Solvation and coordination of the lithium cation in these…

材料科学 · 物理学 2015-02-02 Vitaly Chaban