QBIT

Experiments

The quantum phenomena, executed.

Every result below is computed live by the simulator from the circuit shown — nothing is pre-recorded.

EXPERIMENT 05

Grover's Search

Amplitude amplification over 4 items. The oracle marks |11⟩; one Grover iteration finds it with certainty.

Interactive circuit · step 0 / 7

Open in Circuit Builder
q0
q1
H
H
H
H
X
X
X
X
H
H

Steps

  1. 1Uniform superposition over all 4 items (25% each).
  2. 2Oracle: CZ flips the phase of the marked item |11⟩.
  3. 3Diffusion operator (H·X·CZ·X·H) reflects amplitudes about the mean.

Probabilities

|00⟩
100.0%
|01⟩
0.0%
|10⟩
0.0%
|11⟩
0.0%
Exact (theory)

Qubit states

01q0 · |r|=1.00
01q1 · |r|=1.00

Statevector

BasisAmplitudePhase
|00⟩1.0000°

Basis order q1…q0. Zero amplitudes hidden.