1. Joint Quantum Institute, Department of Physics, and Joint Center for Quantum Information and Computer Science, University of Maryland, College Park, MD 20742, USA.
2. Department of Computer Science, University College London, WC1E 6BT London, UK.
3. Cambridge Quantum Computing Limited, CB2 1UB Cambridge, UK.
4. Zapata Computing Inc., 439 University Avenue, Office 535, Toronto, ON, M5G 1Y8, Canada.
5. Mind Foundry Limited, OX2 7DD Oxford, UK.
6. Department of Mathematics, Central Connecticut State University, New Britain, CT 06050, USA.
7. IonQ Inc., College Park, MD 20740, USA.