Ascertaining the Values of ${\sigma }_x$, ${\sigma }_y$, and ${\sigma }_z$ of a Polarization Qubit

Oliver Schulz, Ruprecht Steinhübl, Markus Weber +3

In the 1987 spin retrodiction puzzle of Vaidman, Aharonov, and Albert one is challenged to ascertain the values of ${\sigma }_x$, ${\sigma }_y$, and ${\sigma }_z$ of a spin-1/2 particle by utilizing entan…