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atomic unit of time

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Jul 24, 2020, 6:28:07 PM
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Jul 25, 2014, 5:40:47 AM
h¯Eh=2.418884326502⋅10-17 s
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c01e9418-0a92-11e3-8615-bc764e049c3d

The atomic unit of time is defined by dividing Planck's constant over 2π by the Hartree Energy, Eh .   It is also related to the fractional part of the orbital period of an electron in a Bohr orbit.   It is one of the derived atomic units constants.  The unit of time is expressed in seconds (s).

Notes

This constant is specified with a standard uncertainty (standard deviation) of: 0.000 000 000 012 E-17 seconds
This equation, atomic unit of time, is used in 1 page
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