Quantum Mechanics, Quantum Computing, Quantum Physics, Qubit.
vector |Ψ⟩ (pronounced “psi”) is called the wave function of the qubit. Max Born gave it a probabilistic interpretation in 1926: when performing a measurement, the wave function collapses and the system ends up in one of its basis states, |0⟩ or |1⟩, with a probability that depends on the complex