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We studied the diffusion coefficient of hot electrons of GaN crystals in moderate electric (1...10 kV/cm) and magnetic (1...4 T) fields. Two configurations, parallel and crossed fields, are analysed. The study was carried out for…

Materials Science · Physics 2019-04-19 G. I. Syngayivska , V. V. Korotyeyev , V. A. Kochelap

We have measured the low-field magnetoresistances (MRs) of a series of Sn-doped indium oxide thick films in the temperature $T$ range 4--35 K. The electron dephasing rate $1/\tau_{\varphi}$ as a function of $T$ for each film was extracted…

Mesoscale and Nanoscale Physics · Physics 2013-09-10 Yu-Jie Zhang , Zhi-Qing Li , Juhn-Jong Lin

Galaxy-scale outflows are nowadays observed in many active galactic nuclei (AGNs); however, their characterisation in terms of (multi-) phase nature, amount of flowing material, effects on the host galaxy, is still unsettled. In particular,…

Astrophysics of Galaxies · Physics 2017-10-25 Michele Perna , Giorgio Lanzuisi , Marcella Brusa , Giovanni Cresci , Marco Mignoli

By systematically comparing experimental and theoretical transport properties, we identify the polar optical phonon scattering as the dominant mechanism limiting electron mobility in beta-Ga2O3 to lower than 200 cm2/Vs at 300 K for donor…

Materials Science · Physics 2016-11-22 Nan Ma , Nicholas Tanen , Amit Verma , Zhi Guo , Tengfei Luo , Huili , Xing , Debdeep Jena

Motivated by recent breakthrough in molecular beam epitaxy of GaAs/AlGaAs quantum wells [Y. J. Chung \textit{et al.}, Nature Materials \textbf{20}, 632 (2021)], we examine contributions to mobility and quantum mobility from various…

Mesoscale and Nanoscale Physics · Physics 2022-06-30 Yi Huang , B. I. Shklovskii , M. A. Zudov

The energetics and transport properties of the polaron in the anisotropic surface over liquid helium are investigated. The localization radii and the energy of the ground and excited states are calculated using the variational method within…

Strongly Correlated Electrons · Physics 2016-08-31 Sviatoslav S. Sokolov , Antonio Carlos A. Ramos , Nelson Studart

The mean excitation energy (I-value) of liquid argon is a critical input for energy estimation in neutrino oscillation experiments. It is measured to be 199$^{+4}_{-5}$eV using the range of 402.2 MeV protons from the Fermilab Linac. This…

Accelerator Physics · Physics 2025-05-15 M. Strait

An ultra-large Liquid Argon Time Projection Chamber-based neutrino detector will have the uncommon ability to detect atmospheric tau neutrino events. This paper discusses the most promising modes for identifying charged current tau neutrino…

High Energy Physics - Phenomenology · Physics 2010-12-09 Janet Conrad , Andre de Gouvea , Shashank Shalgar , Joshua Spitz

The paper addresses counterintuitive behavior of electrons injected into dense cryogenic media with negative scattering length $a_0$. Instead of expected polaronic effect (formation of density enhancement clusters) which should…

Atomic and Molecular Clusters · Physics 2009-11-13 S. Nazin , V. Shikin

We report measurements of the electron temperature at about a dozen locations in the extended emission-line regions of five active (Seyfert and radio) galaxies. Temperatures (T_{[OIII]} and T_{[NII]}) have been determined from both the…

Astrophysics · Physics 2016-08-30 A. S. Wilson , L. Binette , T. Storchi-Bergmann

The electron kinetics in moving and standing striations in direct current and radio-frequency discharges is studied. The discharge current is such that the thermalizing electron-electron collisions are negligible and the hydrodynamic…

Plasma Physics · Physics 2021-02-03 Dmitry Levko

The electron-hole plasma in charge-neutral graphene is predicted to realize a quantum critical system whose transport features a universal hydrodynamic description, even at room temperature. This quantum critical "Dirac fluid" is expected…

As gaseous detectors are operated at high rates of primary ionisation, ions created in the detector have a considerable impact on the performance of the detector. The upgraded ALICE Time Projection Chamber (TPC) will operate during LHC…

Instrumentation and Detectors · Physics 2017-05-09 Alexander Deisting , Chilo Garabatos , Alexander Szabo , Danilo Vranic

Oxide two-dimensional electron gases (2DEGs) promise high charge carrier concentrations and low-loss electronic transport in semiconductors such as BaSnO$_{3}$ (BSO). ACBN0 computations for BSO/SrNbO$_{3}$ (SNO) interfaces show…

Materials Science · Physics 2022-06-27 Sharad Mahatara , Suresh Thapa , Hanjong Paik , Ryan Comes , Boris Kiefer

For hopping transport in disordered materials, the mobility of charge carriers is strongly dependent on temperature and the electric field. Our numerical study shows that both the energy distribution and the mobility of charge carriers in…

Disordered Systems and Neural Networks · Physics 2016-10-26 F. Jansson , S. D. Baranovskii , F. Gebhard , R. Österbacka

The uniform electron gas and the hydrogen atom play fundamental roles in condensed matter physics and quantum chemistry. The former has an infinite number of electrons uniformly distributed over the neutralizing positively-charged…

Chemical Physics · Physics 2016-06-22 Jianwei Sun , John P. Perdew , Zenghui Yang , Haowei Peng

The electron transport in the two-dimensional gas formed in tensile-strained Si1-xGex/Si/Si1-xGex heterostructures is investigated using Monte Carlo simulation. At first the electron mobility is studied in ungated modulation doped…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 F. Monsef , P. Dollfus , S. Galdin-Retailleau , H. -J. Herzog , T. Hackbarth

The electronic behavior of various solid metals (Al, Ni, Cu, Au, Ti, and W) under ultrashort laser irradiation is investigated by means of density functional theory. Successive stages of extreme nonequilibrium on picosecond time scale…

Materials Science · Physics 2014-04-04 Emile Bévillon , Jean-Philippe Colombier , Vanina Recoules , Razvan Stoian

Understanding the behavior of molecular systems under pressure is a fundamental problem in condensed matter physics. In the case of nitrogen, the determination of the phase diagram and in particular of the melting line, are largely open…

Materials Science · Physics 2010-07-27 Davide Donadio , Leonardo Spanu , Ivan Duchemin , Francois Gygi , Giulia Galli

In a recent paper [1] the scattering and transport of excess electrons in liquid argon in the hydrodynamic regime was investigated, generalizing the seminal works of Lekner and Cohen [2,3] with modern scattering theory techniques and…

Computational Physics · Physics 2017-10-02 G. J. Boyle , D. G. Cocks , W. J. Tattersall , R. P. McEachran , R. D. White