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We develop a quantitative model of ionization processes in biological tissues under Ultra High Dose Rate (UHDR) radiation. The underlying conjecture is that of electron-hole liquid (EHL) forming in water based substances of biological…

Materials Science · Physics 2026-02-17 Diana Shvydka , Victor Karpov

Transition-metal (TM) atom-functionalized nanomaterials are promising candidates for hydrogen storage due to their ability to adsorb multiple hydrogen molecules through Kubas interactions. However, achieving efficient hydrogen desorption at…

Materials Science · Physics 2025-08-14 Jongdeok Kim , Vikram Mahamiya , Massimiliano Di Ventra , Hoonkyung Lee

Outer sphere electron transfer rates can be calculated from simulation data by sampling the equilibrium statistics of the canonical reaction coordinate -- the vertical energy gap. For these calculations, electron transfer is typically…

Chemical Physics · Physics 2025-09-23 Yoonjae Park , Adam P. Willard

Photoionization from atom-C60 hybrid levels in halogen endufullerene molecules, Cl@C60, Br@C60 and I@C60, are calculated using a linear response density functional method. Both the ordinary electron-configuration where the open shell…

Atomic and Molecular Clusters · Physics 2021-06-08 Dakota Shields , Ruma De , Esam Ali , Mohamed E Madjet , Steven T Manson , Himadri S. Chakraborty

We present a new interatomic potential for water captured in a charge-transfer embedded atom method (EAM) framework. The potential accounts for explicit, dynamical charge transfer in atoms as a function of the local chemical environment. As…

Materials Science · Physics 2007-05-23 Krishna Muralidharan , Steven M. Valone , Susan R. Atlas

The ultrafast conversion of electrical to optical signals at the nanoscale is of fundamental interest for data processing, telecommunication and optical interconnects. However, the modulation bandwidths of semiconductor LEDs are limited by…

Mesoscale and Nanoscale Physics · Physics 2017-03-22 Markus Parzefall , Palash Bharadwaj , Achint Jain , Kenji Watanabe , Takashi Taniguchi , Lukas Novotny

We consider transitions of electron holes (vacancies in otherwise filled shells of atomic systems) in multiply-charged ions that, due to level-crossing of the holes, have frequencies within the range of optical atomic clocks. Strong E1…

Atomic Physics · Physics 2011-07-21 J. C. Berengut , V. A. Dzuba , V. V. Flambaum , A. Ong

Band gap energy of an organic molecule can be reduced by intermolecular interaction enhancement, and thus, certain polycyclic aromatic hydrocarbons (PAHs), which are insulators with wide band gaps, are expected to undergo insulator-metal…

Porous electrodes were developed using laser powder bed fusion of Inconel 718 lattice structures and electrodeposition of a porous nickel catalytic layer. Laser energy densities of ~83-333 J/m were used to fabricate ~500 um thick electrodes…

The standard solution of the Schroedinger equation for the hydrogen atom is analyzed. Comparing with the recently established internal properties of electrons it is found, that these solutions cannot be seen as physically valid states of…

Quantum Physics · Physics 2009-09-25 W. A. Hofer

In this paper the new type of thermal corrections for the helium and helium-like atomic systems are introduced. These are thermal one-photon exchange between the bound electrons and nucleus as well as between the bound electrons induced by…

Atomic Physics · Physics 2020-05-13 D. Solovyev , T. Zalialiutdinov , A. Anikin

We report on a kinematically complete experiment on strong field double ionization of helium using laser pulses with a wavelength of 394\,nm and intensities of $3.5-5.7\times10^{14}\,W/cm^2$. Our experiment reaches the most complete level…

Exploration of a new ultrafast-ultrasmall frontier in atomic and molecular physics has begun. Not only is is possible to control outer-shell electron dynamics with intense ultrafast optical lasers, but now control of inner-shell processes…

Non-local energy transfer between bound electronic states close to the ionisation threshold is employed for efficient state preparation in dilute atom systems from technological foundations to quantum computing. The generalisation to…

Atomic Physics · Physics 2024-05-06 Axel Molle , Jan Philipp Drennhaus , Viktoria Noel , Nikola Kolev , Annika Bande

We report on the first results of the MACHe3 (MAtrix of Cells of Helium 3) prototype experiment concerning the measurement of low energy conversion electrons at ultra-low temperature. For the first time, the feasibility of the detection of…

Astrophysics · Physics 2011-07-19 E. Moulin , C. Winkelmann , J. F. Macias-Perez , Yu. M. Bunkov , H. Godfrin , D. Santos

The curtailment of renewable energy is more frequently observed as the renewable penetration levels are rising rapidly in modern power systems. It is a waste of free and green renewable energy and implies current power grids are unable to…

Systems and Control · Electrical Eng. & Systems 2022-06-30 Jin Lu , Xingpeng Li

We report on a methodology for the treatment of the Coulomb energy and potential in Kohn-Sham density functional theory that is free from self-interaction effects. Specifically, we determine the Coulomb potential given as the functional…

Materials Science · Physics 2016-06-29 M. Däne , A. Gonis , D. M. Nicholson , G. M. Stocks

We describe an experimental concept at the National Ignition Facility for specifically tailored spherical implosions to compress hydrogen to extreme densities (up to $\sim$800$\times$ solid density, electron number density…

We present a new energy transport code that models the time dependent and non-linear evolution of spectra of cosmic-ray nuclei, their secondaries, and photon target fields. The software can inject an arbitrary chemical composition including…

High Energy Astrophysical Phenomena · Physics 2023-08-21 Lukas Merten , Paolo Da Vela , Anita Reimer , Margot Boughelilba , Jon Paul Lundquist , Serguei Vorobiov , Julia Becker Tjus

The interaction between molecular (atomic) electron(s) and the vacuum field of a reflective cavity generates a significant interest thanks to the rapid developments in nanophotonics. Such interaction which lies within the realm of cavity…

Chemical Physics · Physics 2019-05-22 Alexander Semenov , Abraham Nitzan