Extended Data Fig. 1: Characterization of the random multipolar driving (RMD) pulse.
From: Prethermalization by random multipolar driving on a 78-qubit processor
a, The measured phase φr, when employing RMD pulse, as a function of RMD pulse duration. b, The measured phase, φc, obtained by applying rectangle Z pulse, versus the pulse duration. c, The qubit frequency, derived by differentiating (φr − φc) with respect to time, as a function of the delay. The dashed curve represents the engineered RMD sequence, with the characteristic timescale T = 3 ns, n = 1 and the amplitude of δh ⋅ h/2π = 70 MHz. Specially, the RMD sequence reads {U+U−U−U+U−U+ …}.
