Dirac, Quantum, Quantum Physics, Study, Learning.
version, helping switch between them easily. In bra-ket notation, a quantum state is represented by a ket vector, typically denoted as |ψ⟩. For example let’s consider the a qubit which can exist in a superposition of states |0⟩ and |1⟩. Hence we can write the qubit superposition as: |ψ⟩ = α|0⟩ +