sf.physics.gaussian.symplectic_eigenvals

mrmustard.physics.gaussian.symplectic_eigenvals(cov)[source]

Returns the sympletic eigenspectrum of a covariance matrix.

For a pure state, we expect the sympletic eigenvalues to be 1.

Parameters:

cov (Matrix) – the covariance matrix

Returns:

the sympletic eigenvalues

Return type:

List[float]