qubithubbarren-plateaus

Detects and quantifies vanishing gradients (barren plateaus) in variational quantum circuits by measuring gradient variance scaling with system size. Uses the parameter-shift rule and exponential decay fitting to determine if an ansatz is trainable.

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Framework: Cirq
Qubits: 6
Depth: 15
Gate set: RY, RZ, CNOT
Licence: Not specified
Version: v1
Updated: 3 days ago
Last run: 3 months ago

4 files · v1

File	Size
README.md	7.6 KB
circuit.py	15 KB
qubithub.toml	355 B
metadata.json	456 B

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@software{qubithub_barrenplateaus_2026,
  author = {QubitHub Circuits},
  title = {Barren Plateau Detection},
  year = {2026},
  version = {v1},
  url = {https://qubithub.co/qubithub/barren-plateaus},
}

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