Definition, Meaning & Synonyms
h-bar
noun
ˈeɪtʃ bɑːr
Definition
H-bar is a physical constant that is used in quantum mechanics, denoted by the symbol ℏ.
Examples
- The quantum of action is often expressed in terms of h-bar.
- In many equations of quantum physics, h-bar simplifies the expressions involving angular momentum.
- Physicists use h-bar to calculate the energy levels of quantum systems.
Meaning
It represents the reduced Planck constant, which is derived from the Planck constant divided by 2π.
Synonyms
- reduced Planck constant
