Polarizabilities of the beryllium clock transition

James Mitroy

doi:10.1103/PhysRevA.82.052516

Polarizabilities of the beryllium clock transition

James Mitroy

Research output: Contribution to journal › Article › peer-review

Abstract

The polarizabilities of the three lowest states of the beryllium atom are determined from a large basis configuration interaction calculation. The polarizabilities of the 2s2 1Se ground state (37.73a30) and the 2s2p 3Po0 metastable state (39.04a30) are found to be very similar in size and magnitude. This leads to an anomalously small blackbody radiation shift at 300 K of −0.018(4) Hz for the 2s2 1Se–2s2p 3Po0 clock transition. Magic wavelengths for simultaneous trapping of the ground and metastable states are also computed.

Original language	English
Pages (from-to)	1-5
Number of pages	5
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	82
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevA.82.052516
Publication status	Published - 22 Nov 2010

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10.1103/PhysRevA.82.052516

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title = "Polarizabilities of the beryllium clock transition",

abstract = "The polarizabilities of the three lowest states of the beryllium atom are determined from a large basis configuration interaction calculation. The polarizabilities of the 2s2 1Se ground state (37.73a30) and the 2s2p 3Po0 metastable state (39.04a30) are found to be very similar in size and magnitude. This leads to an anomalously small blackbody radiation shift at 300 K of −0.018(4) Hz for the 2s2 1Se–2s2p 3Po0 clock transition. Magic wavelengths for simultaneous trapping of the ground and metastable states are also computed.",

keywords = "Blackbody radiation shift, Clock transition, Configuration-interaction calculations, Meta-stable state, Polarizabilities, Antenna radiation, Beryllium",

author = "James Mitroy",

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N2 - The polarizabilities of the three lowest states of the beryllium atom are determined from a large basis configuration interaction calculation. The polarizabilities of the 2s2 1Se ground state (37.73a30) and the 2s2p 3Po0 metastable state (39.04a30) are found to be very similar in size and magnitude. This leads to an anomalously small blackbody radiation shift at 300 K of −0.018(4) Hz for the 2s2 1Se–2s2p 3Po0 clock transition. Magic wavelengths for simultaneous trapping of the ground and metastable states are also computed.

AB - The polarizabilities of the three lowest states of the beryllium atom are determined from a large basis configuration interaction calculation. The polarizabilities of the 2s2 1Se ground state (37.73a30) and the 2s2p 3Po0 metastable state (39.04a30) are found to be very similar in size and magnitude. This leads to an anomalously small blackbody radiation shift at 300 K of −0.018(4) Hz for the 2s2 1Se–2s2p 3Po0 clock transition. Magic wavelengths for simultaneous trapping of the ground and metastable states are also computed.

KW - Blackbody radiation shift

KW - Clock transition

KW - Configuration-interaction calculations

KW - Meta-stable state

KW - Polarizabilities

KW - Antenna radiation

KW - Beryllium

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DO - 10.1103/PhysRevA.82.052516

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SP - 1

EP - 5

JO - Physical Review A

JF - Physical Review A

SN - 1050-2947

IS - 5

ER -

Polarizabilities of the beryllium clock transition

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