Psi
ψ
Type it
| Unicode | U+03C8 | |
|---|---|---|
| LaTeX | \psi | |
| HTML entity | ψ | |
| Character | ψ |
Meaning
The twenty-third letter of the Greek alphabet. It usually stands for a wave function in quantum mechanics, and often names a second angle or function beside φ. Compare with Chi and Capital Omega.
How to read it
Hψ = Eψ
is read “H psi equals E psi”.