More physics constants in Sagemath

John Bao
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I can you following command to load physics constants h and c:

 from scipy.constants import  h, c
 h, c   # show value of h and c

But, how can I load more physics constants such as Bohr magneton? Following command doesn't work,

 from scipy.constants import  Bohr magneton
 Bohr magneton   # to show Bohr magneton

Thanks for help.

1 Answer

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As explained in the doc you provided, this constant appears in the constant database, so you can do:

sage: from scipy.constants import physical_constants
sage: physical_constants["Bohr magneton"]
(9.274009994e-24, 'J T^-1', 5.7e-32)

So you can do something like:

sage: Bohr = physical_constants["Bohr magneton"][0]
sage: Bohr
9.274009994e-24

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Asked: 2019-09-13 11:31:37 +0100

Seen: 494 times

Last updated: Sep 13 '19