Quantum error-correcting codes and their geometries, by Simeon Ball
(DMAT, IMTech) A qubit is a two-state quantum-mechanical system. For example, the intrinsic angular momentum (spin) of an electron is such a system. It only takes two values when measured in arbitrary spatial direction, say by measuring the electrons deflection when passing by a magnetic field. The two corresponding spin-states are commonly referred to as […]