Questions tagged [soft-question]

Soft questions are for general overview questions.

Filter by
Sorted by
Tagged with
4 votes
1 answer
497 views

What is the difference between computation and simulation?

I would like to know some examples too, if you could use them in explaining in the words.
epsilon02fft's user avatar
  • 1,117
1 vote
1 answer
148 views

Research groups focused on applications vs. theory/methodology

I recently came across a new PhD student who works in a materials modeling group which mainly focuses on applications (doing DFT-based studies on different solid/electrolyte interfaces). To my ...
Shaun Han's user avatar
  • 1,550
4 votes
0 answers
144 views

Which researchers in electrical engineering do work related to DFT?

I would like to gain knowledge about how DFT calculations can be specifically used in the subject of electrical engineering. It would really help if people in the community can direct me towards ...
epsilon02fft's user avatar
  • 1,117
3 votes
1 answer
105 views

Model coordination complex using GROMACS or CP2K

Is it possible to compute a 3D model of a calcium EDTA complex and it's energy? If so, how should I go about doing it or where can I obtain relevant information regarding computation methods? I ...
beardeadclown's user avatar
2 votes
0 answers
93 views

How do I get the wavelength of light from a diffraction experiment using Python? [closed]

What is the procedure after using a diffraction grating (device used to see the spectrum) using python? We would see the entire electromagnetic spectrum emitted by an object but what then? how do I ...
user avatar
3 votes
0 answers
28 views

Book that can interpret molecular properties of organic coumpounds? [closed]

I'm new in the field of research and modelling matter. I got results from DFT calculations but I don't know how to interpret them and I wonder if anyone can suggest to me books for interpreting ...
diamond999's user avatar
8 votes
1 answer
528 views

Learning how the DFT codes work

I am a beginning PhD student studying topological materials and strongly-correlated systems, such as high Tc superconductivity. I am using density functional theory in my work. I am wondering what I ...
user avatar
1 vote
1 answer
453 views

I have a force in eV/Angstroms. How do I convert it so that the speed I calculate is in Angstroms/second?

How can I express speed in Angstroms/second after application of a force that's in eV/Angstrom (given the mass, original velocity and time elapsed)?
John T's user avatar
  • 564
11 votes
2 answers
256 views

Qualitatively, How do MEAM Potentials Work?

I have frequently come across MEAM potentials in my work, but I lack an intuitive understanding of what they do. What's a good qualitative description of a MEAM potential function?
Connor's user avatar
  • 929
11 votes
1 answer
558 views

What is the minimum basis set one should use?

If I'm interested in getting an answer that is minimally correct what is the minimum basis set level I should use? (i.e. anything less would be much less reliable) Obviously this depends on the ...
Cody Aldaz's user avatar
  • 7,957
12 votes
6 answers
3k views

How may I calculate the bond length between two atoms?

I have been looking into Lennard-Jones Potential and Morse potential. And what the formulas do is to calculate a potential and the 'well depth' and 'distance at which the intermolecular potential ...
John T's user avatar
  • 564
15 votes
6 answers
3k views

How do I simulate the interaction between two atoms?

I want to build a rough atom interaction simulator, where pushes two (or more) atoms toward each other and they should behave physically correctly: attract, bond or repel with some force. So that is ...
John T's user avatar
  • 564
11 votes
1 answer
323 views

"Quantum protectorates" and the limits of grand unified theories

I've recently made myself more familiar with Laughlin and Pines' "quantum protectorate" arguments (1, 2), which seems built on Anderson's famous More is Different article (3). This does seem ...
tmph's user avatar
  • 741
23 votes
6 answers
5k views

Is ARM64 the next big thing?

Considering how GPUs in matter modeling was first recognized in gaming devices like PlayStation, it is also interesting to consider whether ARM64 chips, which are the type of chips in modern smart ...
Cody Aldaz's user avatar
  • 7,957
19 votes
3 answers
412 views

How are continued fractions related to quantum materials?

In my spare time, I have been studying and analysing continued fractions. I was having a conversation with someone on Discord in a Mathematics server and he was telling me that continued fractions ...
Mr Pie's user avatar
  • 243