Quantum, Quantum Computing, Quantum Physics, Quantum Hardware, Quantum Mechanics.
vector pointing to the north pole of the sphere. This corresponds to the quantum state ∣0⟩ or ∣↑⟩ (Below image, ∣+z⟩). Spin down is represented by a vector pointing to the south pole of the sphere. This corresponds to the quantum state ∣1⟩ or ∣↓⟩ (Below image, ∣-z⟩). Bloch sphere representation