Simulation of molecular spectroscopy with circuit quantum electrodynamics

作     者：Ling Hu Yue-Chi Ma Yuan Xu Wei-Ting Wang Yu-Wei Ma Ke Liu Hai-Yan Wang Yi-Pu Song Man-Hong Yung Lu-Yan Sun 

作者机构：Center for Quantum Information Institute for Interdisciplinary Information Sciences Tsinghua University Beijing 100084 China institute for Quantum-Science and Engineering and Department of Physics South University of Science and Technology of China Shenzhen 518055 China Shenzhen Key Laboratory of Quantum Science and Engineering Shenzhen 518055 China 

出 版 物：《Science Bulletin》 (科学通报（英文版）)

年 卷 期：2018年第63卷第5期

页      面：293-299页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：the Guangdong Innovative and En-trepreneurial Research Team Program(2016ZT06D348) the Science Technology and Innovation Commission of Shenzhen Municipality(ZDSYS20170303165926217 and JCYJ20170412152620376) the support from the National Natural Science Foundation of China(11474177) the 1000 Youth Fellowship Program in China 

主　　题：Molecular spectroscopy Circuit quantum electrodynamics Correlation function Huang-Rhys parameter 

摘      要：Spectroscopy is a crucial laboratory technique for understanding quantum systems through their interactions with the electromagnetic ***,spectroscopy is capable of revealing the physical structure of molecules,leading to the development of the maser—the forerunner of the ***,real-world applications of molecular spectroscopy are mostly confined to equilibrium states,due to computational and technological constraints;a potential breakthrough can be achieved by utilizing the emerging technology of quantum *** we experimentally demonstrate through a toy model,a superconducting quantum simulator capable of generating molecular spectra for both equilibrium and non-equilibrium states,reliably producing the vibronic structure of diatomic ***,our quantum simulator is applicable not only to molecules with a wide range of electronic-vibronic coupling strength,characterized by the Huang-Rhys parameter,but also to molecular spectra not readily accessible under normal laboratory *** results point to a new direction for predicting and understanding molecular spectroscopy,exploiting the power of quantum simulation.