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Electron transfer is at the heart of many fundamental physical, chemical, and biochemical processes essential for life. The exact simulation of these reactions is often hindered by the large number of degrees of freedom and by the essential…

We briefly review the motivation to search for sterile neutrinos in the keV mass scale, as dark matter candidates, and the prospects to find them in beta decay or electron capture spectra, with a global perspective. We describe the…

High Energy Physics - Phenomenology · Physics 2016-10-31 O. Moreno , E. Moya de Guerra , M. Ramón Medrano

Measurements of spin dynamics of electrons in a degenerate two dimensional electron gas, where the Dyakonov-Perel mechanism is dominant, have been used to investigate the electron scattering time (tp*) as a function of energy near the Fermi…

Other Condensed Matter · Physics 2008-03-11 W. J. H. Leylanda , R. T. Harley , M. Henini , A. J. Shields , I. Farrer , D. A. Ritchie

The optical Faraday effect describes the rotation of linear polarization upon propagation through a medium in the presence of a longitudinal magnetic field. The effect arises from a different phase delay between the right and left handed…

Quantum Physics · Physics 2012-11-09 Colin Greenshields , Robert L. Stamps , Sonja Franke-Arnold

For a twisted (vortex) Dirac particle in nonuniform electric and magnetic fields, the relativistic Foldy-Wouthuysen Hamiltonian is derived including high order terms describing new effects. The result obtained shows for the first time that…

Quantum Physics · Physics 2019-02-20 Alexander J. Silenko , Pengming Zhang , Liping Zou

The phenomena of electric field reversal in glow discharges is discussed. Several models are described and the link between the electric field reversal, electron's trapping and the discharge structure is analyzed.

Plasma Physics · Physics 2019-05-10 Mario J. Pinheiro

The electron residual energy originated from the stochastic heating in under-dense field-ionized plasma is here investigated. The optical response of plasma is initially modeled by using the concept of two counter-propagating…

Plasma Physics · Physics 2018-04-26 Elnaz Khalilzadeh , Jam Yazdanpanah , Jafar Jahanpanah , Amir Chakhmachi , Elnaz Yazdani

The damping of quantum effects in the transport properties of electrons deposited on a surface of liquid helium is studied. It is found that due to vertical motion of the helium vapour atoms the interference of paths of duration $t$ is…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 D. Herman , H. Mathur , A. J. Dahm

The issue of step-like anomalies in the tritium \beta-decay spectrum as measured in the Troitsk-\nu-mass experiment is addressed in the context of the new analysis in a systematic fashion using efficient statistical tests specifically…

High Energy Physics - Experiment · Physics 2013-12-02 A. V. Lokhov , F. V. Tkachov , P. S. Trukhanov

Recent experimental searches for neutrino mass in tritium beta decay yield a negative value for the mass-squared of the electron neutrino. If this effect is genuine, then it is hard to understand it using conventional particle physics ideas…

High Energy Physics - Phenomenology · Physics 2009-10-28 Rabindra N. Mohapatra , Shmuel Nussinov

We performed a search for any sign of an additional neutrino mass state in beta-electron spectrum based on data reanalysis of direct electron antineutrino mass measurements in Tritium beta-decay in the Troitsk nu-mass experiment. The…

High Energy Physics - Experiment · Physics 2015-06-12 A. I. Belesev , A. I. Berlev , E. V. Geraskin , A. A. Golubev , N. A. Likhovid , A. A. Nozik , V. S. Pantuev , V. I. Parfenov , A. K. Skasyrskaya

The ionization of atomic electrons by scattering of neutrinos is revisited. This process is the one studied in the experimental searches for a neutrino magnetic moment using germanium detectors. Current experiments are sensitive to the…

High Energy Physics - Phenomenology · Physics 2011-06-13 Konstantin A. Kouzakov , Alexander I. Studenikin , Mikhail B. Voloshin

In this paper we present the details of our previously published results for a search for an additional neutrino mass state in $\beta$-electron spectrum from the Troitsk nu-mass experiment. Here we present steps of the analysis, show a set…

High Energy Physics - Experiment · Physics 2015-06-16 A. I. Belesev , A. I. Berlev , E. V. Geraskin , A. A. Golubev , N. A. Likhovid , A. A. Nozik , V. S. Pantuev , V. I. Parfenov , A. K. Skasyrskaya

We explain recent experimental results on the superconducting state spectral function as obtained by angle resolved photoemission, as well as by tunneling, in high Tc cuprates. In our model, electrons are coupled to the resonant spin…

Superconductivity · Physics 2009-11-07 M. Eschrig , M. R. Norman

The results of a theoretical investigation of the energy loss of charged particles in a magnetized classical plasma due to the electric field fluctuations are reported. The energy loss for a test particle is calculated through the…

Plasma Physics · Physics 2015-05-27 Hrachya B. Nersisyan , Claude Deutsch

Recent measurements of the electron and muon neutrino masses squared are interpreted as an indication that neutrinos are faster than light particles -- tachyons. The tritium beta decay amplitude is calculated for the case of the tachyonic…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jacek Ciborowski , Jakub Rembielinski

A full strength Coulomb interaction between trapped electrons can be felt only in absence of a neutralizing background. In order to study quantum degenerate electrons without such a background, an external trap is needed to compensate for…

Quantum Gases · Physics 2016-05-23 Ronen Kroeze , Jom Luiten , Servaas Kokkelmans

A electron of mass $m$, when electrically scatters of nucleus, of mass $M$, transfers momentum $q$ to the nucleus. The energy lost by electron is more than the energy gained by the nucleus. The resulting energy goes in exciting the atom to…

Quantum Physics · Physics 2023-09-20 Navin Khaneja

Nonthermal loop-top sources in solar flares are the most prominent observational signature that suggests energy release and particle acceleration in the solar corona. Although several scenarios for particle acceleration have been proposed,…

Solar and Stellar Astrophysics · Physics 2020-01-08 Xiangliang Kong , Fan Guo , Chengcai Shen , Bin Chen , Yao Chen , Sophie Musset , Lindsay Glesener , Peera Pongkitiwanichakul , Joe Giacalone

The experiment on the direct detection of antineutrino-electron scattering with an artificial tritium source allows to lower the present-day laboratory limit for the neutrino magnetic moment by two orders of magnitude. The experiment brings…

High Energy Physics - Experiment · Physics 2008-11-26 B. S. Neganov , V. N. Trofimov , A. A. Yukhimchuk , L. N. Bogdanova , A. G. Beda , A. S. Starostin