نتایج جستجو برای: uniform electric field

تعداد نتایج: 988049  

In this paper, the localized TM surface waves of a nonlinear self-focusingleft-handed slab sandwiched between a uniform medium and a one-dimensionalphotonic crystal (1D PC) is analytically investigated. Our method is based on the firstintegral of the nonlinear Maxwell's equations. For the TM surface waves, the presenceof two electric field components makes the analysis difficult. Therefore, we ...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2003
V B Warshavsky X C Zeng

The effect of a uniform electric field on the bulk and interfacial properties of a model dipolar fluid is investigated by using a modified mean-field density functional theory. Particular attention is given to the dependence of the vapor-liquid phase coexistence in a slab-shaped system on the direction of the electric field with respect to the slab surfaces, as well as in the sphere-shaped syst...

2011
Patrycja Stefańska

We consider a Dirac one-electron atom placed in a weak, static, uniform magnetic field. We show that, to the first order in the strength B of the perturbing field, the only electric multipole moment induced by the field in the ground state of the atom is the quadrupole one. Using the Sturmian expansion of the generalized Dirac–Coulomb Green function [R. Szmytkowski, J. Phys. B 30 (1997) 825; er...

2016
V. Filip C. Plavitu

Using the Boltzmann equation formalism for a simple semiconductor model, the transient drift velocity of the electrons is computed when a high uniform electric field is suddenly turned on. Rapid oscillations superimposed on an overshoot behaviour are obtained. It is showed that this behaviour results from the combined action of the field and of the electron-phonon

2010
Peter J. Catto Matt Landreman Peter J Catto

Particle orbits and the Rosenbluth-Hinton residual zonal flow are evaluated for the case of a strong equilibrium radial electric field ( ) / r E d d φ ψ ψ = − ∇ as observed in a tokamak pedestal. The ordering used is p i ~ / r E B v c where p B is the poloidal field and i v is the ion thermal speed. The earlier calculations of Kagan and Catto for this regime [Kagan G and Catto P J 2009 Phys. Pl...

2009
S. K. Remillard A. Hardaway

A gas will breakdown in a high electric field and the mechanisms of this breakdown at DC and high frequency fields have been an object of study for the past century. This paper describes a method to induce breakdown in a uniform microwave field using a re-entrant sub-quarter wave resonator. Slater’s theorem is used to determine the magnitude of the threshold electric field at which breakdown oc...

Journal: :Lab on a chip 2006
Greg C Randall Kelly M Schultz Patrick S Doyle

The ability to controllably and continuously stretch large DNA molecules in a microfluidic format is important for gene mapping technologies such as Direct Linear Analysis (DLA). We have recently shown that electric field gradients can be readily generated in a microfluidic device and the resulting field is purely elongational. We present a single molecule fluorescence microscopy analysis of T4...

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