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Potential Energy Surface Database of Group II Dimer Molecules


Svetlana Kotochigova and Paul Julienne


NIST, PML, Quantum Measurement Division
Gaithersburg, Maryland 20899

Experimental, Ab-initio, and Semi-Empirical
Potential Energy Curves

The purpose of this work is to provide critical atomic and molecular data needed in order to evaluate the feasibility of using laser cooled and trapped Group II atomic species (Mg, Ca, Sr, and Ba) for ultra-precise optical clocks or quantum information processing devices.
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4 dimer molecules 


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Mg2 Ca2 Sr2 Ba2

NIST Standard Reference Database 143
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Online: December 2003   -   Last update: August 2010

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Paul Julienne
Quantum Measurement Division
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Gaithersburg, MD 20899-8423