US 12,242,927 B2
Magic state factory constructions for producing CCZ and T states
Craig Gidney, Goleta, CA (US); and Austin Greig Fowler, Reseda, CA (US)
Assigned to Google LLC, Mountain View, CA (US)
Filed by Google LLC, Mountain View, CA (US)
Filed on Dec. 7, 2023, as Appl. No. 18/532,394.
Application 18/532,394 is a continuation of application No. 17/296,909, granted, now 11,909,392, previously published as PCT/US2019/063744, filed on Nov. 27, 2019.
Claims priority of provisional application 62/773,066, filed on Nov. 29, 2018.
Prior Publication US 2024/0127103 A1, Apr. 18, 2024
Int. Cl. G06N 10/70 (2022.01); G06F 8/20 (2018.01); G06F 11/00 (2006.01); G06F 111/10 (2020.01); G06N 10/00 (2022.01); G06N 10/20 (2022.01); G06N 10/40 (2022.01); H03K 19/003 (2006.01); H03M 13/00 (2006.01); H03M 13/03 (2006.01); H03M 13/29 (2006.01)
CPC G06N 10/70 (2022.01) [G06F 8/20 (2013.01); G06F 11/004 (2013.01); G06N 10/00 (2019.01); G06N 10/20 (2022.01); G06N 10/40 (2022.01); H03K 19/003 (2013.01); H03M 13/033 (2013.01); H03M 13/2909 (2013.01); H03M 13/611 (2013.01); G06F 2111/10 (2020.01); G06F 2201/82 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A method for transforming a CCZ state into three T states, the method comprising:
obtaining a first target qubit, a second target qubit and a third target qubit in a CCZ state;
performing a X−1/2 gate on the third target qubit;
performing an X gate on the first target qubit and the second target qubit using the third target qubit as a control;
performing a Z gate on the first target qubit and the second target qubit using the third qubit as a X axis control;
performing a Z−1/4 gate on the third target qubit; and
performing a Z gate on the first target qubit and the second target qubit using the third qubit as a X axis control to obtain the three T states.