See also: ħ, , and Appendix:Variations of "h"

U+210F, ℏ
PLANCK CONSTANT OVER TWO PI

[U+210E]
Letterlike Symbols
[U+2110]

Translingual

Symbol

  1. (physics) Reduced Planck's constant. Has the value ℎ/2π (where ℎ is Planck's constant), or approximately 1.05457182×10-34 J⋅s.
    Synonym: Dirac constant

Usage notes

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