US Patent Issued to International Business Machines on Feb. 24 for "Quantum circuits for matrix trace estimation" (American, South African Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,594, issued on Feb. 24, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Quantum circuits for matrix trace estimation" was invented by Shashanka Ubaru (Ossining, N.Y.), Kenneth Lee Clarkson (Madison, N.J.), Ismail Yunus Akhalwaya (Emmarentia, South Africa), Mark S. Squillante (Greenwich, Conn.), Vasileios Kalantzis (White Plains, N.Y.) and Lior Horesh (North Salem, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for operating a quantum system are described. A controller of a quantum system can generate a command signal. The quantum system can include quantum hardware having a plurality of qubits. An inte...