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.

Run Cite

Framework: Cirq
Qubits: 4
Depth: 9
Gate set: RY, RZ, CNOT
Licence: Apache-2.0
Version: v1
Updated: 10 hours ago
Runs: None completed

qubithub.toml · 355 B

Lineage

Not a fork.

No forks yet.

Suggested citation

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

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.

Code

Lineage

Suggested citation