1. Kyoto University, Japan
武汉物数所理论交叉学术交流系列报告
(第一五七期)
The state of the art in ultra-high precision spectroscopy: ab initio vs experimental methods for making precise predictions
Nike Dattani
Kyoto University, Japan
2016年12月16日(周五) 下午3:00-4:30
频标楼4楼报告厅
About the Speaker:
Assistant Professor, Kyoto University, Japan ( )
Banting Fellowship, McMaster University, Canada ( )
Lecturer, Oxford University ( )
Education: 
PhD from Oxford University, Physical and Theoretical Chemistry Laboratory
Undergraduate: BSc and BMath from University of Waterloo 
Previous Affiliations: 
Institute for Quantum Computing (Waterloo, Ontario)
Perimeter Institute for Theoretical Physics (Waterloo, Ontario)
University of Western Ontario, Department of Computer Science (London, Ontario)
Nanyang Technological University, Materials Science & Engineering (Singapore)
Abstract:
Modern-day experiments can measure energies with mHz, or 10^(-13) cm-1, precision. Such measurements often cannot be done without first having very precise predictions of what the energies will be. State of the art ab initio predictions that include Born-Oppenheimer breakdown corrections, relativistic corrections, and up to 7th order QED corrections are often not precise enough. An alternative is to use data from more tangible experiments to assist with the predictions necessary for the less tangible experiments. In this field, the goal is to get the most precise predictions possible, and I will discuss how these are made for ultra-high precision spectroscopy experiments associated with, for example, the creation of the first “halo nucleic molecules” and the current motion to redefine temperature at the 25th General Conference on Weights and Measures in 2018.
主办单位:武汉物数所理论与交叉研究部