نتایج جستجو برای: pulsed electric field

تعداد نتایج: 915169  

Journal: :Physical chemistry chemical physics : PCCP 2015
Sandeep Nigam Sanjeev K Gupta C Majumder Ravindra Pandey

Electronic properties of the hetero-structures consisting of silicene, graphene and BN monolayers under the influence of an electric field were investigated using density functional theory. With no electric field, both silicene/graphene and silicene/BN were shown to have a finite gap of about ∼50 meV, though silicene is a zero-gap two-dimensional material. Application of the field perpendicular...

2012
George Chen Junwei Zhao

Dielectric breakdown of solid insulation has been studied for many years but the mechanisms that cause breakdown have not been fully understood. Charge injection always occurs at high electric fields and especially under dc conditions. The presence of space charge in solid dielectrics will result in distortion of electric field distribution. Dielectric breakdown can be initiated in the region w...

2014
Hongwei Li Ganrong Peng

It is rich in electric field energy in high voltage substations while it is hardly collected and utilized. A novel energy harvesting device based on spatial electric field is presented in this paper, which is composed of capacitive energy collector and conditioning circuit. A simulation model of the energy collector is established to study the relationship between output voltage and its structu...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2013
Y B Band

The mean-field dynamics of an electric dipole moment in a deterministic and a fluctuating electric field is solved to obtain the average over fluctuations of the dipole moment and the angular momentum as a function of time for a Gaussian white-noise stochastic electric field. The components of the average electric dipole moment and the average angular momentum along the deterministic electric-f...

2004
E.M.J. Niessen A. Nijhuis

AbstmctThe stationary electric field and current distribution in a ring shaped wire subject to both parallel and perpendicular applied magnetic fields is calculated. The time derivative of the parallel field is limited for the centre of the wire to be unsaturated. The transient response of an infinitely long wire due to a parallel applied magnetic field BA shows that BA itself is limited for th...

Journal: :Physical review. D, Particles and fields 1996
Cataldo Salgado

We obtain the Einstein-Maxwell equations for (2+1)-dimensional static space-time, which are invariant under the transformation q0 = i q2, q2 = i q0, α ⇀↽ γ. It is shown that the magnetic solution obtained with the help of the procedure used in Ref. [6], can be obtained from the static BTZ solution using an appropriate transformation. Superpositions of a perfect fluid and an electric or a magnet...

2006
G. Loeper A. Vasseur

We consider in this paper a plasma subject to a strong deterministic magnetic field and we investigate the effect on this plasma of a stochastic electric field. We show that the limit behavior, which corresponds to the transfer of energy from the electric wave to the particles (Landau phenomena), is described by a Spherical Harmonics Expansion (SHE) model.

Journal: :Electrophoresis 2015
Mohammad R Hossan Partha P Gopmandal Robert Dillon Prashanta Dutta

In recent years, there are significant interests in the manipulation of bipolar Janus particles. In this article, we investigate the transient behavior of the electro-orientation process and particle-particle interaction of ellipsoidal bipolar Janus particles in the presence and absence of a DC electric field. The bipolar particle dynamics is modeled with a body force term in the fluid flow equ...

1996
Jeremy S. Heyl Lars Hernquist

We derive an analytic form for the Heisenberg-Euler Lagrangian in the limit where the component of the electric field parallel to the magnetic field is small. We expand these analytic functions to all orders in the field strength (FμνF ) in the limits of weak and strong fields, and use these functions to estimate the pair-production rate in arbitrarily strong electric fields and the photon-spli...

2015
Daming Xu Fenglin Peng Haiwei Chen Jiamin Yuan Shin-Tson Wu Ming-Chun Li Seok-Lyul Lee Wen-Ching Tsai

We propose a kinetic model to characterize the image sticking phenomenon under nonuniform electric field in fringe field switching (FFS) LCDs by taking material properties and device parameters into account. This model agrees well with the experimental results. We investigate the voltage and temperature effects of image sticking based on this model. The image sticking of FFS cells employing pos...

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