Symbolic phase fails for RotationSuperoperator

[JBashir]

Hi,
it appears, that RotationSuperoperator[] with sympbolic phases "-x" & "-y" returns a non-numerical matrix, which cannnot be used for Amplitude calculations:

Code: [Select]

TransformationAmplitude[
 opI["z"] -> opI["y"],
 {RotationSuperoperator[{\[Pi]/2, "-x"}]}
 ]
SpinDynamica returns the erromessage:

NPropagate::nonnumeric: A non-numeric matrix was detected. The requested context does not permit Operators or Superoperators with symbolic coefficients.

Setting the phase numerically (pi) circumvents the problem. I attached a notebook demonstrating the issue.

Cheers,
JBashir

[MalcolmHLevitt]

Thanks JBashir,
 this looks like a simple bug and it will be fixed on the next release.
 all the best
Malcolm

[MalcolmHLevitt]

This bug has been fixed in SDv2.8.1.
all the best
Malcolm