qubithubbell-state

Creates the Bell state |Phi+> = (|00> + |11>)/sqrt(2), the simplest demonstration of quantum entanglement. Two qubits are prepared such that measuring one instantly determines the other — the foundation for teleportation, superdense coding, and quantum key distribution.

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No licence specified, so all rights are reserved by default — forking copies this circuit but grants you no rights to reuse it.

Framework: Qiskit
Qubits: 2
Depth: 2
Gate set: H, CX
Licence: Not specified
Version: v1
Updated: 3 days ago
Last run: 3 months ago

Circuit

circuit.py · Qiskit · depth 2

5 of 16 runs

Status	Backend	Shots	Wall time
Completed	Simulator qiskit_aer	1024	15.0 s
Completed	Simulator aer_simulator	1024	18.5 s
Completed	Simulator aer_simulator	1024	6m 29s
Completed	Simulator aer_simulator	1024	14.5 s
Completed	Simulator qiskit_aer	1024	3.3 s

All 16 runs

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Forked by 1

staging-admin/bell-state-fork

Suggested citation

@software{qubithub_bellstate_2026,
  author = {QubitHub Circuits},
  title = {Bell State},
  year = {2026},
  version = {v1},
  url = {https://qubithub.co/qubithub/bell-state},
}

Generated from this circuit's metadata. QubitHub does not mint DOIs, so this is not a registered identifier — check it against your venue's requirements before publishing.

Circuit

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Suggested citation