Unitary matrix ↩

shorthands: {}
aliases: [Unitary operator]
created: 2021-10-18 21:58:19
modified: 2022-01-10 04:13:04

Definition

or

where is 's Hermitian adjoint or conjugate transpose.
In other terms:

Important to note that unitary operators leave the inner product invariant:

Notes

• The real analogue of a unitary matrix is an orthogonal matrix