Quantum Fisher information of a qubit-qutrit system in Garfinkle–Horowitz–Strominger dilation space–time
Yi-Jun Lian,Jin-Ming Liu
Figure 1. (a) The QFI ${F}_{{{AB}}_{{\rm{I}}}}(D)$ versus dilation parameter D and state parameter γ. (b) ${F}_{{{AB}}_{{\rm{I}}}}(D)$ as a function of D for different γ. (c) ${F}_{{{AB}}_{{\rm{I}}}}(D)$ as a function of γ for different D.