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Questions related to Electromagnetism
I've read papers about the Rashba effect, Dresselhaus effect, and Dzyalonshinskii-Moriya Interaction but don't understand fundamentally why breaking spatial symmetry is a pre-requisite to see...
05 May 2016 8,263 4 View
I want to know the way it propagates. As we know electromagnetic waves are created by charges in motion or by magnetic field created by charged particles. And for the flow of field other charge...
05 May 2016 1,672 21 View
from more than a century now it is believed that TEM waves (transverse electromagnetic waves) don't exist in single conductor wave guides like the rectangular or circular wave guides
05 May 2016 2,071 4 View
01 May 2016 7,078 22 View
I am solving a problem of evaluating critical current density from the measured magnetic field profile by inversion of Biot-Savart Law. One of articles on this theme cities this work by Dirichlet...
15 April 2016 8,161 3 View
https://www.yahoo.com/finance/news/nasa-detected-burst-light-might-190500486.htmlWhenever Matter gets unsegregated, what we call Weak Force, we will see Photons, Electon/Positron/Neutrino and even...
04 April 2016 9,271 0 View
A quark is an elementary particle and a fundamental constituent of matter. Quarks combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the...
04 April 2016 9,044 33 View
04 April 2016 8,358 4 View
electrotechnology module
04 April 2016 1,196 3 View
What are the range of values for Electric Susceptibility? In case of air, I know it is zero(0). My doubt is w.r.t. polarizability of air. If air has poor polarizability, then how does...
16 March 2016 6,939 14 View
To experts in EM theory. I’m fairly certain that for a biaxial material, conservation of energy restricts the imaginary parts of the the permittivity and permeability tensors. Specifically, let...
08 March 2016 2,338 5 View
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03 March 2016 723 0 View
Dear all, About the visualization of the charge density obtained from charge analysis using VASP, I am getting files around 10 Gigabytes for systems with 100 atoms. It is impossible to visualize...
03 March 2016 5,675 3 View
What is the phase relationship between E and H fields in an EM wave in vacuum? Is it in phase or out of phase by 90 degrees? I see both ways in google!
03 March 2016 9,589 20 View
The 12th Brazilian Congress on Electromagnetism , 16th Brazilian Symposium on Micro Wave and Opto Electronics and the Latin American Workshop on Optical Fibers Sensors - From 25th to 29th of July,...
03 March 2016 9,148 2 View
03 March 2016 4,779 15 View
1. Why is displacement current called displacement current, when it is just a rate of change in electric flux w.r.t. time which produces a current and in turn a circulating magnetic field...
03 March 2016 4,891 1 View
I need to calculate the dimensions of a coil and a permanent magnet which will be used to apply a precise value of force on a test specimen. i found an expression that defines the force as...
03 March 2016 8,973 4 View
03 March 2016 4,367 6 View
I am looking for a suitable binder for binding my ferrite powders, preferably organic binder that would decompose while sintering at around 500 degree Celsius. Previously I have used PVA as...
24 February 2016 862 9 View
General theory of relativity (GRT) threatens gravity as a phenomenon resulting from the curvature of spacetime. In that context, gravitational waves are ripples in the geometry of spacetime which...
12 February 2016 3,868 27 View
Why are Electric and Magnetic Fields perpendicular to each other in an Electromagnetic Wave?
02 February 2016 8,235 12 View
"Astrónomos hubo que se negaron a mirar el cielo a través del telescopio, temiendo ver desbaratados sus errores más firmes". José Ingenieros Hay dos leyes fundamentales en el electromagnetismo que...
02 February 2016 5,238 2 View
In supergravity theories combining general relativity and supersymmetry, the gravitino is the gauge fermion supersymmetric partner of the hypothesized graviton. It has been suggested as a...
02 February 2016 5,500 6 View