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Unitary


An operator U satisfying

U^|U=1
(1)
UU^|=1,
(2)

where U^| is the adjoint.


See also

Antiunitary

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References

Sakurai, J. J. Modern Quantum Mechanics. Menlo Park, CA: Benjamin/Cummings, 1985.

Referenced on Wolfram|Alpha

Unitary

Cite this as:

Weisstein, Eric W. "Unitary." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Unitary.html

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