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Questions tagged [aimd]

Questions about ab-initio molecular dynamics (AIMD).

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22 votes
3 answers

What are the types of ab initio Molecular Dynamics?

I am new to the world of Molecular Dynamics, and am curious to know exactly what is considered to be an ab initio Molecular Dynamics (AIMD) method, and how do they work? The seminal work by Roberto ...
epalos's user avatar
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11 votes
1 answer

How would one find a material's equilibrium structure at any specific temperature?

Let's take an example of a simple FCC material, a binary alloy. Above absolute zero K, the alloy will start to disorder and become an FCC solid solution. The alloy would develop defects as it ...
Hitanshu Sachania's user avatar
3 votes
1 answer

Discrepancy in forces between AIMD and relaxation

I am a bit perplexed to see substantive differences in forces (as taken from OUTCAR with ASE) computed when I take AIMD frames and run static electronic relaxations on each one (no additional ionic ...
Andrey Poletayev's user avatar