Quantum, Quantum Computing, Quantum Gate.
on the state |0> described below: Using the same logic, you can easily prove the second identity NOT∣1⟩=∣0⟩. More generally, if applying X gate on an arbitrary state α∣0⟩+β∣1⟩: As you can see, the amplitudes are flipped. From its name, in relation to the Bloch sphere, the X gate resolves the state