Is there any property related to a random ensemble (such as gaussian or circular ensembles) which are preserved even after a Fourier transformation?
tag :- Random matrix theory
I wanted to know what is the highest frequency at which optical instruments like lens, mirrors have been designed or can be designed with currently known science about the materials.
06 July 2015 4,322 0 View
I have theta, phi and r component of a field but i don't know how to make vector plots of them showing their special variation. For example Suppose i have Etheta , Ephi and Er i want to see a plot...
05 June 2015 4,900 2 View
I am trying to model scattering of focused light beam(not gaussian) by particles in COMSOL using a wave optics module if someone could provide a help.
04 May 2015 3,247 1 View
I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.
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I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...
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One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...
08 August 2024 6,690 1 View
Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...
07 August 2024 269 3 View
Hi all, my experimental XPS results shown that my C3N5 sample consists of N-H bond, hence in this case I should incorporate the N-H bond into my DFT modelling. However, I do notice several papers...
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I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...
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In order to show people the beauty of control and enhance enthusiasm for learning control theories, are there any good simple systems or platforms to recommend?
05 August 2024 10,034 1 View
Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...
05 August 2024 3,084 6 View
Exism movements after gaining power within liberal democracies under majority rule and independent rule of law system become permanent dictatorship threats, but why this is the case is not clear...
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I will be with my students collecting seaweed samples in a marine farm and later we will process this tissue for RNA isolation and further sequencing. Does anyone have tips on how to collect the...
04 August 2024 501 2 View