US 12,165,008 B2
Constructing and programming quantum hardware for robust quantum annealing processes
Masoud Mohseni, Calabasas, CA (US); and Hartmut Neven, Malibu, CA (US)
Assigned to Google LLC, Mountain View, CA (US)
Filed by Google LLC, Mountain View, CA (US)
Filed on Oct. 10, 2023, as Appl. No. 18/484,233.
Application 16/841,251 is a division of application No. 16/450,461, filed on Jun. 24, 2019, granted, now 10,614,372, issued on Apr. 7, 2020.
Application 16/450,461 is a division of application No. 15/109,614, granted, now 10,346,760, issued on Jul. 9, 2019, previously published as PCT/US2014/072959, filed on Dec. 31, 2014.
Application 18/484,233 is a continuation of application No. 17/706,158, filed on Mar. 28, 2022, granted, now 11,809,963.
Application 17/706,158 is a continuation of application No. 17/115,493, filed on Dec. 8, 2020, granted, now 11,288,588, issued on Mar. 29, 2022.
Application 17/115,493 is a continuation of application No. 16/841,251, filed on Apr. 6, 2020, granted, now 10,915,832, issued on Feb. 9, 2021.
Claims priority of provisional application 61/985,348, filed on Apr. 28, 2014.
Claims priority of provisional application 61/924,207, filed on Jan. 6, 2014.
Prior Publication US 2024/0037431 A1, Feb. 1, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G06N 10/00 (2022.01); G06F 15/82 (2006.01); G06F 17/11 (2006.01); G06N 7/01 (2023.01); G06N 10/20 (2022.01); G06N 20/00 (2019.01); H10N 60/10 (2023.01); H10N 60/12 (2023.01); H10N 60/80 (2023.01); G06N 10/40 (2022.01)
CPC G06N 10/00 (2019.01) [G06F 15/82 (2013.01); G06F 17/11 (2013.01); G06N 7/01 (2023.01); G06N 10/20 (2022.01); G06N 20/00 (2019.01); H10N 60/12 (2023.02); H10N 60/128 (2023.02); H10N 60/805 (2023.02); G06N 10/40 (2022.01)] 20 Claims
OG exemplary drawing
 
1. A method performed by a quantum processor, the method comprising:
receiving initialization parameters that encode an optimization problem into an energy spectrum of a quantum Hamiltonian Htotal that characterizes the quantum processor;
receiving control parameters for a quantum Hamiltonian HQG, wherein the quantum Hamiltonian HQG comprises controllable degrees of freedom represented by x-z or x-x auxiliary interactions, wherein x, and z represent spin directions in Hilbert space, in which each direction is orthogonal to the other direction;
implementing a quantum annealing schedule using the initialization parameters and the control parameters to obtain eigenstates and corresponding energy spectra, comprising evolving Htotal from an initial quantum Hamiltonian Hi over time to a problem quantum Hamiltonian Hp without diagonalizing Hp, wherein an energy spectrum of Hp encodes a solution to the optimization problem; and
providing as output data representing the eigenstates and corresponding energy spectra.