When manipulating a quantum system $S$, its surrounding system, or \textit{environment}, $E$ induces unwanted effects. It is mainly due to its vastness and the lack of knowledge about the Hamiltonian $H_{SE}$ that governs the dynamics inside $E$ and the interaction with $S$. The detail of $H_{SE}$ is usually extremely hard to identify, since $E$ can hardly be measured or controlled directly. Nevertheless, here we show that it is possible to probe and control a part of, if not all, the dynamics involving $E$, within the timescale in which its effective dimension can be seen finite. That is, we may be able to let a noisy environment work in our favor as a part of quantum computer.
Gaussian quantum reservoir computing with a hybrid cavity magnomechanical system
Abdelmalek Essaadi University(阿卜杜勒马利克·埃萨阿迪大学);Institute for Cross-Disciplinary Physics and Complex Systems (IFISC) UIB-CSIC(跨学科物理与复杂系统研究所(IFISC)巴伦西亚大学-西班牙国家研究委员会)
Probing an electron spin ensemble with squeezed microwave signals
Walther-Meißner-Institut, Bayerische Akademie der Wissenschaften(瓦尔特·迈斯纳研究所,巴伐利亚科学院);Technical University of Munich, TUM School of Natural Sciences, Physics Department(慕尼黑工业大学,自然科学学院,物理系);Munich Center for Quantum Science and Technology (MCQST)(慕尼黑量子科学与技术中心)
Probing many-body localization crossover in quasiperiodic Floquet circuits on a quantum processor
RIKEN Center for Computational Science(理化学研究所计算科学中心);RIKEN Center for Quantum Computing(理化学研究所量子计算中心);RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences(理化学研究所交叉理论与数学科学中心);RIKEN Pioneering Research Institute(理化学研究所先驱研究所);Jožef Stefan Institute(约热·斯特凡研究所);University of Ljubljana(卢布尔雅那大学)
Jagiellonian University(雅盖隆大学);IT4Innovations, VSB - Technical University of Ostrava(俄斯特拉发理工大学IT4创新中心);Center for Theoretical Physics, Polish Academy of Sciences(波兰科学院理论物理中心)
Probing confinement in a $\mathbb{Z}_2$ lattice gauge theory on a quantum computer
University of Trento(特伦托大学);INFN-TIFPA, Trento Institute for Fundamental Physics and Applications(意大利国家核物理研究所-特伦托基础物理与应用研究所);Google Quantum AI(谷歌量子人工智能);Munich Center for Quantum Science and Technology (MCQST)(慕尼黑量子科学与技术中心)
Quantum-classical framework for many-fermion response and structure
Institute of Modern Physics, Chinese Academy of Sciences(中国科学院近代物理研究所);Department of Physics and Astronomy, Iowa State University(爱荷华州立大学物理与天文系);Advanced Energy Science and Technology, Guangdong Laboratory(广东省实验室先进能源科学与技术);Applied Mathematics and Computational Research Division, Lawrence Berkeley National Laboratory(劳伦斯伯克利国家实验室应用数学与计算研究部)