Question: Verify the commutation relations for the (mathrm{H}_{4}) algebra displayed in Eq. (21.7). Data from Eq. 21.7 [, at ] = at [a,1]=0 [n, 1] =

Verify the commutation relations for the \(\mathrm{H}_{4}\) algebra displayed in Eq. (21.7).

Data from Eq.  21.7

[, at ] = at [a,1]=0 [n, 1] = 0 [a,at]= 1

[, at ] = at [a,1]=0 [n, 1] = 0 [a,at]= 1 [n, a]=-a, [a, 1] = 0.

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