Fig. 6: These graphs depict the relationship between different coupling strengths {γ12, γ13, γ23} and correlation F12 within the context of three-gate coupling examples.
From: Calibrating quantum gates up to 52 qubits in a superconducting processor

Particularly, we assign fixed values to γ12, selecting from the set {0, π/32, π16, 3π/32, π/8, 5π/32}. The values of γ13 and γ23 range from 0 to 5π/16.