@techreport{weko_220407_1, author = "Kosuke,Mitarai and Wataru,Mizukami", title = "Quantum signal processing applied to formulate perturbation theory", year = "2022", institution = "Graduate School of Engineering Science, Osaka University/Center for Quantum Information and Quantum Biology, Osaka University, Center for Quantum Information and Quantum Biology, Osaka University", number = "3", month = "oct" }