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Using a kinetic simulation of magnetic reconnection it was recently shown that magnetic-field-aligned electric fields (E||) can be present over large spatial scales in reconnection exhausts. The largest values of E|| are observed within…

Plasma Physics · Physics 2015-05-01 Jan Egedal , William Daughton , Ari Le , Anette L Borg

Exposing a molecule to intense light pulses may bring this molecule to a nonstationary quantum state, thus launching correlated dynamics of electronic and nuclear subsystems. Although much had been achieved in the understanding of…

Chemical Physics · Physics 2024-04-11 Nikolay V. Golubev , Jiří Vaníček

The energy partition in high Mach number collisionless shock waves is central to a wide range of high-energy astrophysical environments. We present a new theoretical model for electron heating that accounts for the energy exchange between…

High Energy Astrophysical Phenomena · Physics 2024-10-22 Arno Vanthieghem , Vasileios Tsiolis , Anatoly Spitkovsky , Yasushi Todo , Kazuhiro Sekiguchi , Frederico Fiuza

We review electrodynamics of rotating magnetized neutron stars, from the early vacuum model to recent numerical experiments with plasma-filled magnetospheres. Significant progress became possible due to the development of global…

High Energy Astrophysical Phenomena · Physics 2016-12-14 Benoît Cerutti , Andrei Beloborodov

The interaction between freely propagating electrons and light waves is typically described using an approximation in which we assume that the electron velocity remains approximately the same during the interaction. In this article we…

Quantum Physics · Physics 2025-03-06 Marek Kuchař , Kamila Moriová , Martin Kozák

The non-linear response of a beam splitter to the coincident arrival of interacting particles enables numerous applications in quantum engineering and metrology yet poses considerable challenge to achieve focused interactions on the…

A full particle simulation study is carried out on the electron acceleration at a collisionless, relatively low Alfven Mach number (M_A=5), perpendicular shock. Recent self-consistent hybrid shock simulations have demonstrated that the…

Astrophysics · Physics 2011-02-11 Takayuki Umeda , Masahiro Yamao , Ryo Yamazaki

The magnetosphere of Mercury is studied using an implicit full particle in cell simulation (PIC). We use a hybrid simulation where ions are full particles and electrons are considered as a fluid to start a full PIC simulation where…

Earth and Planetary Astrophysics · Physics 2022-05-04 Giovanni Lapenta , David Schriver , Raymond J. Walker , Jean Berchem , Nicole F. Echterling , Mostafa El Alaoui , Pavel Travnicek

On the elementary level, electronic current consists of individual electron tunnelling events that are separated by random time intervals. The waiting time distribution is a probability to observe the electron transfer in the detector…

Mesoscale and Nanoscale Physics · Physics 2017-02-21 Daniel S. Kosov

Inert particles suspended in active fluids of self-propelled particles are known to often exhibit enhanced diffusion and novel coherent structures. Here we numerically investigate the dynamical behavior and self-organization in a system…

Soft Condensed Matter · Physics 2016-07-04 Kyongmin Yeo , Enkeleida Lushi , Petia M. Vlahovska

We study numerically small-scale reconnection events in kinetic, low-frequency, quasi-2D turbulence (termed kinetic-Alfv\'en turbulence). Using 2D particle-in-cell simulations, we demonstrate that such turbulence generates reconnection…

Plasma Physics · Physics 2022-07-13 Cristian Vega , Vadim Roytershteyn , Gian Luca Delzanno , Stanislav Boldyrev

We examine electronic transport in a spin-blockaded double quantum dot. We show that by tuning the strength of the spin-orbit interaction the current flowing through the double dot exhibits a dip at zero magnetic field or a peak at a…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 G. Giavaras , Neill Lambert , Franco Nori

Partially-ionized plasmas consist of charged and neutral particles whose mutual collisions modify magnetic reconnection compared with the fully-ionized case. The collisions alter the rate and locations of the magnetic dissipation heating…

Solar and Stellar Astrophysics · Physics 2024-05-16 Fulvia Pucci , Alkendra Singh , Uma Gorti , Marco Velli , Neal Turner , Disha Varshney , Maria Elena Innocenti

We analyze particle acceleration in explosive reconnection events in magnetically dominated proton-electron plasmas. Reconnection is driven by large-scale magnetic stresses in interacting current-carrying flux tubes. Our model relies on…

High Energy Astrophysical Phenomena · Physics 2019-02-07 B. Ripperda , O. Porth , C. Xia , R. Keppens

In this paper we investigate the resonant electron-plasmon interactions in a drifting electron gas of arbitrary degeneracy. The kinetic corrected quantum hydrodyanmic model is transformed into the effective Schr\"{o}dinger-Poisson model and…

Plasma Physics · Physics 2021-02-24 M. Akbari-Moghanjoughi

Magnetic reconnection is prevalent in magnetized plasmas in space and laboratories. Despite significant investigations on reconnection in electron-ion plasmas, studies of reconnection in magnetized plasmas with negatively charged dust…

Plasma Physics · Physics 2023-05-31 Shu-Di Yang , Liang Wang , Chuanfei Dong

Long-term simulations of energetic electron fluxes in many space plasma systems require accounting for two groups of processes with well separated time-scales: microphysics of electron resonant scattering by electromagnetic waves and…

Plasma Physics · Physics 2021-10-04 A. S. Lukin , A. V. Artemyev , A. A. Petrukovich

So far transport properties of nanoscale contacts have been mostly studied within the static scattering approach. The electron dynamics and the transient behavior of current flow, however, remain poorly understood. We present a numerical…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Na Sai , Neil Bushong , Ryan Hatcher , Massimiliano Di Ventra

Prolific interactions of nonlinear waves on a plane-wave background in an erbium-doped fiber system are unveiled, based on explicit coexistence conditions extracting from the general higher-order solution of a coupled nonlinear…

Pattern Formation and Solitons · Physics 2016-01-21 Liang Duan , Zhan-Ying Yang , Chong Liu , Wen-Li Yang

A tight-binding model of electron dynamics in mesoscopic normal rings is studied using boundary conformal field theory. The partition function is calculated in the low energy limit and the persistent current generated as a function of an…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 S. Jaimungal , M. H. S. Amin , G. Rose