公开(公告)号：US20240386160A1

公开(公告)日：2024-11-21

申请号：US18651750

申请日：2024-05-01

Applicant: Fujitsu Limited

Inventor： Toshihisa ANAZAWA ,  Satoshi SHIMOKAWA

IPC: G06F30/20

Abstract: An information processing system configured to calculate a combinatorial optimization problem that includes a constraint condition based on an energy function of an Ising model represented by a sum of a cost term and a constraint term that corresponds to the constraint condition, the information processing system including: a processing circuit configured to obtain problem information of the combinatorial optimization problem, calculate, based on the problem information, an expected value of a change amount of the cost term when transition from a solution that satisfies the constraint condition to a solution that does not satisfy the constraint condition occurs, determine a coefficient of the constraint term based on the expected value, and output information of the energy function using the determined coefficient; and a search circuit that searches for a ground state of the Ising model based on the output information.

公开(公告)号：US20200312575A1

公开(公告)日：2020-10-01

申请号：US16902404

申请日：2020-06-16

Applicant: FUJITSU LIMITED

Inventor： Yoshihiko IMANAKA ,  Hideyuki AMADA ,  Toshio MANABE ,  Toshihisa ANAZAWA ,  Sachio IDO ,  Naoki AWAJI

IPC: H01G9/20

Abstract: A photochemical electrode includes: an electrically conductive layer; and a photoexcitation material layer provided over the electrically conductive layer and including a photoexcitation material, wherein the photoexcitation material layer is one of a first photoexcitation material layer in which a potential of the conduction band minimum decreases from a second surface opposite to a first surface on the side of the electrically conductive layer toward the first surface and a second photoexcitation material layer in which a potential of the valence band maximum decreases from the second surface toward the first surface.