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Unformatted text preview: And even more surprising, (11.31) Thus the different components of are not compatible (i.e., can't be determined at the same time). Since commutes with we can diagonalise one of the components of at the same time as . Actually, we diagonalsie , and at the same time! The solutions to the equation (11.32) are called the spherical harmonics. heck that is independent of ! The label corresponds to the operator , (11.33)...
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