Can someone explain how does one go from frequency domain noise to multipole domain ?

I want mathematical answers.

07 August 2019 8,087 2 View

What determines the speed of sound in inflation models woth non canonical terms?

.

11 December 2016 5,896 0 View

What is the physical meaning of anti commutation operators in quantum mechanics?

Physical meaning of commutation operators are understood.

05 June 2016 1,644 6 View

If kinetic energy is a scalar then why does it change under galilean transformation?

.

01 February 2015 2,381 0 View

Does one need to genius in theoretical physics or can hrd work make him successful?

.

01 February 2015 3,602 1 View

What mathematical back ground is required to learn string theory

.

11 December 2014 8,086 0 View

Does one have to be absolute genius like edward witten to shine in theoretical physics?

I dont think so there is something like genius or is it

10 November 2014 2,043 2 View

Why we dont talk about forces in quantum mechanics?

10 November 2014 2,926 1 View

Is the schrodinger equation a postulate of quantum mechanics or can it be derived?

I think it can be derived.

08 September 2014 2,425 22 View

How do i calculate iso curvature three point correlation function for non Gaussianity in Inflation models?

I want to about field correlation function and iso curvature correlation functions.Please give some references for detailed calculation

01 January 1970 7,826 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Discrete Phase model (DPM) particle break-up has particle size limits during particle tracking?

Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....

02 March 2021 3,053 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

What role should journals play in leading academic fields?

A recent paper by Yeung and Thomas (2021) on journals in event management opens up an interesting debate on the role of journals as academic fora. They demonstrate that event management publishing...

28 February 2021 3,494 6 View

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

How can misfit between business requirents and ERP system business process be reduced?

One main reason for failure of most ERP implementations is the misfit between business requirents and ERP system business process be reduced. How can the misfit between business requirents and ERP...

22 February 2021 5,709 5 View

How do I collect online measures in a same-different task?

The same-different task requires to subjects to indicate whether a pair of stimuli seen or heard are the same (say AA or BB) or different (say AB or BA). Researchers often collect offline measures...

20 February 2021 9,226 2 View

Questio regarding micro/nano particles fabrication ?

I will start to fabricate micro/nanoparticles for growth factor release and I check out a procedure quite nice, however, it is lacking some details and since I don't have much knowledge doing this...

20 February 2021 199 2 View