Fig. 2: PB for the single-qubit gate.
From: Error per single-qubit gate below 10−4 in a superconducting qubit
a The sequence purity averaged over 100 random sequences as a function of the number of Cliffords m for the reference. b The sequence RB (100 averages) is a function of the number of Cliffords m for the reference. c \(\left\vert 2\right\rangle\) state population versus the gate numbers showing accumulation of leakage with gate numbers.
