Show that the 3 x 3 matrices G i (i = 1, 2, 3) whose elements are

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Show that the 3 x 3 matrices Gi(i = 1, 2, 3) whose elements are given byimage

where j and k are the row and column indices, satisfy the angular-momentum commutation relations. What is the physical (or geometric) significance of the transformation matrix that connects Gi to the more usual 3 x 3 representations of the angular-momentum operator Ji with j3 taken to be diagonal? Relate your result toimage

under infinitesimal rotations.

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Modern Quantum Mechanics

ISBN: 9780805382914

2nd Edition

Authors: J. J. Sakurai, Jim J. Napolitano

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