Bulletin of the American Physical Society
53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 67, Number 7
Monday–Friday, May 30–June 3 2022; Orlando, Florida
Session C03: Focus Session: Fundamental Physics with Radioactive Species (GPMFC)
11:00 AM–1:00 PM,
Tuesday, May 31, 2022
Room: Grand Ballroom B
Chair: Nick Hutzler, Caltech
Abstract: C03.00002 : Electronic structure theory of exotic atoms and molecules
11:30 AM–12:00 PM
Presenter:
Anastasia Borschevsky
(Univ of Groningen)
Author:
Anastasia Borschevsky
(Univ of Groningen)
In order to be reliable, such calculations must include both relativistic effects and electron correlation on the highest possible level. This is especially important for heavy systems, where relativity has a major effect on the electronic structure and properties and the large number of electrons requires state-of-the-art treatment of correlation.
Relativistic coupled cluster is considered one of the most powerful methods for accurate investigations of heavy many-electron systems. This approach can be used to obtain atomic and molecular properties, including the various coupling parameters needed for the interpretation of precision experiments that search for signatures of physics beyond the Standard Model. It has been shown to be extremely reliable and to have very strong predictive power.
A brief introduction to the relativistic coupled cluster method will be provided in my talk. I will, however, focus on the recent successful applications of this approach to heavy molecules, in particular in connection to recent and planned experiments.
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