A Simplified Version of the Quantum OTOC2 Problem

Robbie King
Kostyantyn Kechedzhi
Tom O'Brien
Vadim Smelyanskiy
arXiv:2510.19751 (2025)

Abstract

This note presents a simplified version of the OTOC2 problem that was recently experimentally implemented by Google Quantum AI and collaborators. We present a formulation of the problem for growing input size and hope this spurs further theoretical work on the problem.