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True / False
In VQE, the variational principle guarantees that for any trial state
∣
ψ
⟩
|\psi\rangle
∣
ψ
⟩
the energy expectation
⟨
ψ
∣
H
∣
ψ
⟩
\langle\psi|H|\psi\rangle
⟨
ψ
∣
H
∣
ψ
⟩
is greater than or equal to the true ground-state energy
E
0
E_0
E
0
, so VQE can never report an energy below
E
0
E_0
E
0
.
True
False
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