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We study the hydrodynamic flow of electrons through a smooth potential energy landscape in two dimensions, for which the electrical current is concentrated along thin channels that follow percolating equipotential contours. The width of…

Strongly Correlated Electrons · Physics 2024-05-24 Aaron Hui , Calvin Pozderac , Brian Skinner

In this paper we construct periodic capillarity-gravity water waves with a piecewise constant vorticity distribution. They describe water waves traveling on superposed linearly sheared currents that have different vorticities. This is…

Analysis of PDEs · Mathematics 2013-02-25 Calin Iulian Martin , Bogdan--Vasile Matioc

Understanding the dynamic nature of the semiconductor-water interface is crucial for developing efficient photoelectrochemical water splitting catalysts, as it governs reactivity through charge and mass transport. In this study, we employ…

Chemical Physics · Physics 2024-05-03 Sagarmoy Mandal , Tushar Kanti Ghosh

This report builds upon work introducing the concept of independent control over current and potential in electrocatalytic systems, as a means of improving control over their product selectivity. Previous work, describing an approach…

Chemical Physics · Physics 2023-10-31 Peter Agbo

In order to improve dynamic characteristics of the power system with high-proportion renewable energy sources (RESs), it is necessary for the voltage source converter (VSC), interfaces of RESs, to provide inertial and frequency regulation.…

Systems and Control · Electrical Eng. & Systems 2021-07-20 Huanhai Xin , Kehao Zhuang , Pengfei Hu , Yunjie Gu , Ping Ju

This work presents an original concept directed to implement an unconventional methodology where a device is produced by integrating a solid-state circuitry concept and an electrochemistry cell. In our experimental system an organic…

Applied Physics · Physics 2024-02-29 Andrea Stefani , Agnese Giacomino , Sara Morandi , Andrea Marchetti , Claudio Fontanesi

We consider a minimal computational model of tissue dynamics with two active ingredients: local particle division and apoptosis. We neglect other non-equilibrium effects such as self-propulsion. We simulated the steady state dynamics inside…

Soft Condensed Matter · Physics 2021-09-29 Emma Mitchell , Elsen Tjhung

The action potential signal of nerve and muscle is produced by voltage sensitive channels that include a specialized device to sense voltage. Gating currents of the voltage sensor are now known to depend on the back-and-forth movements of…

Biological Physics · Physics 2017-07-11 Tzyy-Leng Horng , Robert S. Eisenberg , Chun Liu , Francisco Bezanilla

This paper introduces a new semi-flexible device able to turn thermal gradients into electricity by using a curved bimetal coupled to an electret-based converter. In fact, a two-steps conversion is carried out: (i) a curved bimetal turns…

Classical Physics · Physics 2013-01-29 S Boisseau , G. Despesse , S. Monfray , O. Puscasu , T. Skotnicki

We derive an exact formula for the scaled cumulant generating function of the time-integrated current associated to an arbitrary ballistically transported conserved charge. Our results rely on the Euler-scale description of interacting,…

Statistical Mechanics · Physics 2021-05-31 Gabriele Perfetto , Benjamin Doyon

By revisiting the century-old problem of water bridge, we demonstrate that it is in fact dynamic and comprises of two coaxial water currents that carry different charges and flow in opposite directions. This spontaneous separation is…

The mean parallel current density evolution equation is presented using electromagnetic (EM) gyrokinetic equation. There exist two types of intrinsic current driving mechanisms resulted from EM electron temperature gradient (ETG)…

Plasma Physics · Physics 2020-06-30 Wen He , Lu Wang , Shuitao Peng , Weixin Guo , Ge Zhuang

We propose a mechanism by which an open quantum dot driven by two ac (radio frequency) gate voltages in the presence of a moderate in-plane magnetic field generates a spin polarized, phase coherent dc current. The idea combines adiabatic,…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Eduardo R. Mucciolo , Claudio Chamon , Charles M. Marcus

Recently a new explanation for the quantized current of the surface acoustic wave (SAW)-driven single electron pumps was suggested [1]. In the SAW-driven pumps the electrons are transported by the SAW along a one-dimensional semiconductor…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. I. Talyanskii

Semiconductor-based quantum dot single-electron pumps are currently the most promising candidates for the direct realization of the emerging quantum standard of the ampere in the International System of Units. Here, we discuss a silicon…

Mesoscale and Nanoscale Physics · Physics 2016-04-27 Tuomo Tanttu , Alessandro Rossi , Kuan Yen Tan , Akseli Mäkinen , Kok Wai Chan , Andrew S. Dzurak , Mikko Möttönen

We propose a new approach to coherent control of transport via molecular junctions, which bypasses several of the hurdles to experimental realization of optically manipulated nanoelectronics noted in the previous literature. The method is…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Boris D. Fainberg , Tamar Seideman

Residential buildings are increasingly integrating large devices that run natively on direct current (DC), such as solar photovoltaics, electric vehicles, stationary batteries, and DC motors that drive heat pumps and other major appliances.…

Systems and Control · Electrical Eng. & Systems 2026-01-27 Aaron H. P. Farha , Jonathan P. Ore , Elias N. Pergantis , Davide Ziviani , Eckhard A. Groll , Kevin J. Kircher

We propose a spin-dependent resonant tunneling structure to efficiently inject spin-polarized current into silicon (Si). By means of a heavily doped polycrystalline Si (Poly-Si) between the ferromagnetic metal (FM) and Si to reduce the…

Mesoscale and Nanoscale Physics · Physics 2010-06-01 L. K. Castelano , L. J. Sham

The stationary current induced by a strong running potential wave in one-dimensional system is studied. Such a wave can result from illumination of a straight quantum wire with special grating or spiral quantum wire by circular-polarized…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 M. V. Entin , L. I. Magarill

We present the theoretical analysis of the steady state currents and density distributions of particles moving with Langevin dynamics, under the effects of an external potential displaced at constant rate. The Dynamic Density Functional…

Soft Condensed Matter · Physics 2009-11-10 F. Penna , P. Tarazona