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Hadamard gate

Ciro Santilli (@cirosantilli, 37) ... Quantum computer type Model of quantum computing Analog and digital quantum computers Digital quantum computer Quantum logic gate Single-qubit gate
Updated 2025-07-16  0 By others on same topic  0 Discussions Create my own version
The Hadamard gate takes ∣0⟩ or ∣1⟩ (quantum states with probability 1.0 of measuring either 0 or 1), and produces states that have equal probability of 0 or 1.
H=2​1​[11​1−1​]
(1)
Equation 1.
Hadamard gate matrix
.
Figure 1.
Hadamard gate symbol
. Source.

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  • Bell circuit
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