Can I expand the total wavefunction in spherical harmonics centered on each Xe atom instead of foldy lax, green theorem?

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I am trying to derive the scattering amplitude for two xenon atoms near copper substrate under helium matter waves in the form of beesel beam using partial wave analysis.

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Software for calculating Audible Corona noise in transmission lines in different metrological conditions?

I am currently seeking software capable of calculating audible corona noise in HV overhead transmission lines under various meteorological conditions. I would greatly appreciate any...

10 June 2024 1,305 0 View

How to select the input equation for composing metamaterials? what are they based on?

There are so many papers where they select different methods for forming metamaterial. In some papers, they used AC sources in others DNA origami and so on. What interests me most is which exact...

08 November 2021 7,713 8 View

In existing formation of metamaterial how the input equation was picked?

I found on comsol database one online webinar/workshop where a terahertz metamaterial was modeled and there, input "(px*py/4/2/Z0_const)*E0^2" this equation is used. I need to know why is this used?

08 November 2021 2,329 2 View

Which materials show best result for composition of Metamaterial?

There are so many papers where they select different materials for forming metamaterial also use different substrates as well as liquids that evaporate. What interests me most is which materials...

07 November 2021 8,078 7 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

Why only alpha wave of brain are found in some patients?

I have found an EEG where only alpha waves are present. Beta waves are not found in active patients. What interpretations ?

26 July 2024 4,741 1 View

Did Einstein misunderstand the photo-electric effect?

Photo-electric effect A light particle moving towards a surface cannot (by collision) force an electron particle to move away from that surface. A light wave can instead make interference with a...

19 July 2024 8,389 9 View

How to find peak period and significant wave height for a particular location in ocean?

I want to develop the figure like attached figure. How can I get, peak period and significant wave height at any given location.

13 July 2024 886 2 View

Possible reasons for not getting wake effects in free surface?

Hi, I am trying to simulate a ship in a canal. The top width of the canal is 20m, bottom width is 6m, depth is less than 5m. Ship has a length of 11.7m breadth of 4m, draft is 0.62m. The velocity...

10 July 2024 1,732 4 View

Is unified field theory Schrödinger's wave equation or its square?

We assume that the Schrödinger wave equation, iℏ(dψ/dt)= Ĥψ. . . . . (1) is incomplete and cannot be considered a unified field theory. on the other hand, its square, d/dt)partial U= D Nabla^2...

06 July 2024 7,106 8 View

What is the best method for modeling the transmission and reflection of an electromagnetic wave incident on a magnetic multilayer thin film?

Previously, I successfully modelled the transmission and reflection of electromagnetic waves incident on non-magnetic materials. Please refer to my publications for details: 1- A polynomial model...

05 July 2024 1,396 2 View

COMSOL simulation of transient wave optics propagation is not physical?

Hi guys, I am trying to simulate a 1 ps long plane wave propagating in a dispersive material, with the wave optics transient module. According to the drude-lorentz model, when the frequency of...

29 June 2024 486 1 View

EEG Power Spectral Density - Very low frequency on matlab?

I am working on some .edf files. I try to extract the frequency distributions from the EEG waves. The thing is, which i can't be sure if it is a problem or not, the most dominant frequency...

28 June 2024 6,897 4 View

How can repair crack in alumina to make it helium leak tight for ultra high vacuum application??

I want to close crack in alumina kindly suggest any glue or epoxy to close leak.

27 June 2024 10,110 1 View