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Meaning of 'potential characteristic length' and 'potential energy minimum

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Old   January 7, 2024, 07:59
Default Meaning of 'potential characteristic length' and 'potential energy minimum
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Chiah Zi Jing
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Hi all,

what mean by this two term that need to be defined shown in the picture attached: potential characteristic length and potential energy minimum?

Also, where can I find something like database or method to calculate for different species?

Screenshot 2024-01-07 205109.jpg
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Old   January 13, 2024, 13:44
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Chiah Zi Jing
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Hi all, you can find these data from https://doc.comsol.com/5.5/doc/com.c...ata.05.06.html

and inside this link there are different source of database of different species.
For example, http://uigelz.eecs.umich.edu/pub/data/e_reactions.pdf

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Originally Posted by tomchiah View Post
Hi all,

what mean by this two term that need to be defined shown in the picture attached: potential characteristic length and potential energy minimum?

Also, where can I find something like database or method to calculate for different species?

Attachment 97977
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comsol 5.5, converge error, database material, plasma modeling

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