— Me@2020-02-07 05:49:01 PM
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2020.02.07 Friday (c) All rights reserved by ACHK
A First Course in String Theory
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2.1 Exercises with units
Construct and evaluate a dimensionless number using the charge of the electron (as defined in Gaussian system of units),
, and
. (In Heaviside-Lorentz units, the Gaussian
is replaced by
.)
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— Me@2010
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2020.02.04 Tuesday (c) All rights reserved by ACHK
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