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Advanced PhysicsQ&A LibraryConsider the 2 x 2 matrix defined byaoi aU.(5)ао — iд .awhere ao is a real number, and a is a three-dimensional vector with real components.a. Prove that U is unitary and unimodularb. In general, a 2 x 2 unitary unimodular matrix represents a rotation in three dimensions. Find theaxis and angle of rotation appropriate for U in terms of ao, ai, a2, a3Question

Asked Nov 4, 2019

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It's a quantum mechanics problem.

Step 1

(a)Consider.

Step 2

The determinant of A is.

Step 3

Consider the given 2x2 ma...

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