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Fermi velocity units #29

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Dragonlingg opened this issue Nov 13, 2023 · 2 comments

Dragonlingg commented Nov 13, 2023

First of all, thank you very much for the software! It is very helpful to visualize the FS with ease.

I have one question, what are the units of the Fermi velocity?

Thank you in advance.
Best regards,
Kirill Agapev

xiaming71 commented Jan 24, 2024

hello, have you kown that? I want to know it, too

Author

Dragonlingg commented Jan 24, 2024 •

edited

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hello, have you kown that? I want to know it, too

Mitsuaki answered me the following:
"The units of the Fermi velocity depend on the units of input
reciprocal-lattice vector and energy.
https://urldefense.com/v3/__https://mitsuaki1987.github.io/fermisurfer/en/_build/html/input.html*input-file-format__;Iw!!Nmw4Hv0!z5AqYvR6peWZ8uDYzA9ufiAjbnUz0DxF2S32378VjnYuo82yUOm5ZerDEiFr7gRvdBREAf67BVGEvfxgBj_7auxTGdBMQQ$
If they are [Å^-1] and [eV], the unit of the Fermi velocity is [eV・Å]."

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