Given a 2 x 2 unitary matrix satisfying UU UU I with det U e

Last updated: 6/14/2023

Given a 2 x 2 unitary matrix satisfying UU UU I with det U e one can construct a unitary matrix VV VV I with det V 1 from it by a Multiplying U by e ip 2 c Multiplying any row or column by e ip 2 b Multiplying a single element of U by e io d Multiplying U by e io