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Two qubits are in the maximally entangled Bell state
∣
Φ
+
⟩
=
(
∣
00
⟩
+
∣
11
⟩
)
/
2
|\Phi^+\rangle = (|00\rangle + |11\rangle)/\sqrt{2}
∣
Φ
+
⟩
=
(
∣00
⟩
+
∣11
⟩)
/
2
. Using
I
(
A
:
B
)
=
S
(
A
)
+
S
(
B
)
−
S
(
A
B
)
I(A:B) = S(A) + S(B) - S(AB)
I
(
A
:
B
)
=
S
(
A
)
+
S
(
B
)
−
S
(
A
B
)
, what is the quantum mutual information in bits?
2
1
0.5
0
Check answer