Azure Cost Model rotation formula incorrect

quantumlib / Qualtran

Qᴜᴀʟᴛʀᴀɴ is a Python library for expressing and analyzing Fault Tolerant Quantum algorithms.

https://qualtran.readthedocs.io/en/latest/

Apache License 2.0

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Azure Cost Model rotation formula incorrect #1050

Closed bdg221 closed 2 weeks ago

bdg221 commented 1 month ago

In quantumlib/Qualtran/blob/main/qualtran/surface_code/azure_cost_model.ipynb, the Rotation Approximation Model lists the incorrect values for a and b.

This was originally incorrect in the Azure QRE code and fixed in PR https://github.com/microsoft/qsharp/pull/1220 The value for b was updated to 4.86