US Patent Issued to INTERNATIONAL BUSINESS MACHINES on Sept. 30 for "Selection of pauli strings for variational quantum eigensolver" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,399, issued on Sept. 30, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Selection of pauli strings for variational quantum eigensolver" was invented by Ikko Hamamura (Kyoto, Japan), Takashi Imamichi (Bunkyo-ku, Japan) and Rudy Raymond Harry Putra (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "VQE is accelerated by performing receiving a qubit Hamiltonian representing a linear combination of a plurality of Pauli strings. Selecting, among the plurality of Pauli strings, one or more Pauli strings that have less influence than a threshold on an eigenvalue of the qubit Hamiltonian. Grouping, based on joint measur...