qubithubvqd-algorithm

General-purpose VQD implementation for finding K eigenstates sequentially. Each state is found by minimizing the energy plus overlap penalties with all previously found states. Demonstrates on the 4-qubit Transverse Field Ising Model.

Run Cite

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: 4
Depth: 15
Gate set: RY, RZ, CX
Licence: Not specified
Version: v1
Updated: 3 days ago
Last run: 3 months ago

Circuit

circuit.py · Qiskit · depth 15

5 of 6 runs

Status	Backend	Shots	Wall time
Completed	Simulator aer_simulator	1024	19.4 s
Completed	Simulator aer_simulator	1024	16.2 s
Completed	Simulator qiskit_aer	1024	15.8 s
Completed	Simulator qiskit_aer	1024	5.1 s
Completed	Simulator qiskit_aer	1024	5.2 s

All 6 runs

Lineage

Not a fork.

No forks yet.

Suggested citation

@software{qubithub_vqdalgorithm_2026,
  author = {QubitHub Circuits},
  title = {VQD Algorithm},
  year = {2026},
  version = {v1},
  url = {https://qubithub.co/qubithub/vqd-algorithm},
}

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

Runs

Lineage

Suggested citation