Questions tagged [soft-question]

Soft questions are for general overview questions.

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10
votes
2answers
174 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?
11
votes
1answer
323 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 ...
12
votes
6answers
1k 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 ...
16
votes
6answers
2k 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 ...
10
votes
1answer
240 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 ...
23
votes
6answers
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 ...
18
votes
3answers
285 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 ...