News

We propose a method to utilize small-sized quantum computers to solve large systems.

Prof. Fujii (QunaSys Chief Advisor), Assistant Prof. Mitarai (QunaSys CSO), Special Associate Prof. Mizukami (QunaSys Advisor) from Osaka University, and Dr. Nakagawa from QunaSys have devised a method called "Deep VQE" that enables computation on large systems by iteratively using small-size quantum computers. The preprint is now available as "Deep Variational Quantum Eigensolver: a divide-and-conquer method for solving a larger problem with smaller size quantum computers".

2020/08/17

Research

Our algorithm improves the efficiency of chemistry calculations on a quantum computer

We released a new algorithm called orbital optimized unitary coupled cluster (OO-UCC) for improving the efficiency of chemistry calculations on a quantum computer with our advisor Assoc. Prof. Wataru Mizukami (Quantum information and biology division, Osaka Univ.) as the first author of the paper (preprint). Mitarai, Nakagawa, Yamamoto, and Yan at QunaSys Inc. and Dr. Ohnishi at JSR Corporation contributed to the work as co-authors.

2019/11/11

Research