Definition:Reduced Planck Constant
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Definition
The reduced Planck constant is the physical constant $\hbar$ which is derived from Planck's constant by dividing it by $2 \pi$:
- $\hbar = \dfrac h {2 \pi}$
Value
\(\ds \hbar\) | \(=\) | \(\ds 1 \cdotp 05457 \, 1817 \ldots \times 10^{-34} \, \mathrm {J \, s}\) | This sequence is A254181 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008). | |||||||||||
\(\ds \) | \(=\) | \(\ds 1 \cdotp 05457 \, 1817 \ldots \times 10^{-27} \, \mathrm {erg \, s}\) |
Symbol
- $\hbar$
The symbol for the reduced Planck constant is $\hbar$.
The $\LaTeX$ code for \(\hbar\) is \hbar
.
Also known as
The reduced Planck constant can also be seen referred to as:
Also see
Source of Name
This entry was named for Max Karl Ernst Ludwig Planck.
Sources
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