We may have learned in our physics classes that the "speed of light" is the fastest thing in the world. In quantum computing class, we saw that the speed of information is potentially something even faster -- it is essentially instantaneous. In quantum information theory, for this to occur, entanglement is required. We learned that if two states are entangled they are known as a Bell State. If three or more states are entangled this is known as a:

A.

This is impossible. Only two qubits can be entangled at a time.

B.

This is known as a Greenberger-Horne-Zeilinger (GHZ) state but it will only work for three states.

C.

This is known as aGreenberger-Horne-Zeilinger (GHZ) stateand is whenever three or more qubits are entangled.

D.

This is known as a Magic State.