Quantum Physics, Quantum Computing, Quantum Mechanics, Computer Science.
representation of the pure state space of a two level quantum mechanical system(qubit) Bloch sphere Two qubit states |0⟩ and |1⟩ are represented by z and -z axes respectively. |0⟩ state denotes upward spin of electron and |1⟩ spin denotes downward spin of electron. Any point |ψ⟩ on this sphere is