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Title: Hypermetallic polar molecules for precision measurements

Abstract

Laser cooling is a powerful method to control molecules for applications in precision measurement, as well as quantum information, many-body physics, and fundamental chemistry. However, many optically-active metal centers in valence states which are promising for these applications, especially precision measurement, are difficult to laser cool. In order to extend the control afforded by laser cooling to a wider array of promising atoms, we consider the use of small, hypermetallic molecules that contain multiple metal centers. We provide a detailed analysis of YbCCCa and YbCCAl as prototypical examples with different spin multiplicities, and consider their feasibility for precision measurements making use of the heavy Yb atom. We find that these molecules are linear and feature metal-centered valence electrons, and study the complex hybridization and spin structures that are relevant to photon cycling and laser cooling. Our findings suggest that this hypermetallic approach may be a versatile tool for experimental control of metal species that do not otherwise efficiently cycle photons, and could present a new polyatomic platform for state-of-the-art precision measurements.

Authors:
 [1]; ORCiD logo [1]
  1. California Inst. of Technology (CalTech), Pasadena, CA (United States)
Publication Date:
Research Org.:
California Inst. of Technology (CalTech), Pasadena, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1592983
Alternate Identifier(s):
OSTI ID: 1546831
Grant/Contract Number:  
[SC0019245; SC0019374; DEG-1745301; 60NANB18D253]
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review A
Additional Journal Information:
[ Journal Volume: 100; Journal Issue: 2]; Journal ID: ISSN 2469-9926
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; Laser cooling; optical cycling; precision measurement; hypermetallic

Citation Formats

O'Rourke, Matthew J., and Hutzler, Nicholas R. Hypermetallic polar molecules for precision measurements. United States: N. p., 2019. Web. doi:10.1103/PhysRevA.100.022502.
O'Rourke, Matthew J., & Hutzler, Nicholas R. Hypermetallic polar molecules for precision measurements. United States. doi:10.1103/PhysRevA.100.022502.
O'Rourke, Matthew J., and Hutzler, Nicholas R. Thu . "Hypermetallic polar molecules for precision measurements". United States. doi:10.1103/PhysRevA.100.022502.
@article{osti_1592983,
title = {Hypermetallic polar molecules for precision measurements},
author = {O'Rourke, Matthew J. and Hutzler, Nicholas R.},
abstractNote = {Laser cooling is a powerful method to control molecules for applications in precision measurement, as well as quantum information, many-body physics, and fundamental chemistry. However, many optically-active metal centers in valence states which are promising for these applications, especially precision measurement, are difficult to laser cool. In order to extend the control afforded by laser cooling to a wider array of promising atoms, we consider the use of small, hypermetallic molecules that contain multiple metal centers. We provide a detailed analysis of YbCCCa and YbCCAl as prototypical examples with different spin multiplicities, and consider their feasibility for precision measurements making use of the heavy Yb atom. We find that these molecules are linear and feature metal-centered valence electrons, and study the complex hybridization and spin structures that are relevant to photon cycling and laser cooling. Our findings suggest that this hypermetallic approach may be a versatile tool for experimental control of metal species that do not otherwise efficiently cycle photons, and could present a new polyatomic platform for state-of-the-art precision measurements.},
doi = {10.1103/PhysRevA.100.022502},
journal = {Physical Review A},
number = [2],
volume = [100],
place = {United States},
year = {2019},
month = {8}
}

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