Frequency Metrology in Quantum Degenerate Helium: Direct Measurement of the 2 (3)S(1) -> 2 (1)S(0) Transition

R. van Rooij; J. Borbely; J. Simonet; M. Hoogerland; K.S.E. Eikema; R.A. Rozendaal; W. Vassen

doi:10.1126/science.1205163

Frequency Metrology in Quantum Degenerate Helium: Direct Measurement of the 2 (3)S(1) -> 2 (1)S(0) Transition

R. van Rooij, J. Borbely, J. Simonet, M. Hoogerland, K.S.E. Eikema, R.A. Rozendaal, W. Vassen

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Precision spectroscopy of simple atomic systems has refined our understanding of the fundamental laws of quantum physics. In particular, helium spectroscopy has played a crucial role in describing two-electron interactions, determining the fine-structure constant and extracting the size of the helium nucleus. Here we present a measurement of the doubly forbidden 1557-nanometer transition connecting the two metastable states of helium (the lowest energy triplet state 2

Original language	English
Pages (from-to)	196--198
Journal	Science
Volume	333
Issue number	6039
DOIs	https://doi.org/10.1126/science.1205163
Publication status	Published - 2011

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title = "Frequency Metrology in Quantum Degenerate Helium: Direct Measurement of the 2 (3)S(1) -> 2 (1)S(0) Transition",

abstract = "Precision spectroscopy of simple atomic systems has refined our understanding of the fundamental laws of quantum physics. In particular, helium spectroscopy has played a crucial role in describing two-electron interactions, determining the fine-structure constant and extracting the size of the helium nucleus. Here we present a measurement of the doubly forbidden 1557-nanometer transition connecting the two metastable states of helium (the lowest energy triplet state 2",

author = "{van Rooij}, R. and J. Borbely and J. Simonet and M. Hoogerland and K.S.E. Eikema and R.A. Rozendaal and W. Vassen",

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AU - van Rooij, R.

AU - Borbely, J.

AU - Simonet, J.

AU - Hoogerland, M.

AU - Eikema, K.S.E.

AU - Rozendaal, R.A.

AU - Vassen, W.

PY - 2011

Y1 - 2011

N2 - Precision spectroscopy of simple atomic systems has refined our understanding of the fundamental laws of quantum physics. In particular, helium spectroscopy has played a crucial role in describing two-electron interactions, determining the fine-structure constant and extracting the size of the helium nucleus. Here we present a measurement of the doubly forbidden 1557-nanometer transition connecting the two metastable states of helium (the lowest energy triplet state 2

AB - Precision spectroscopy of simple atomic systems has refined our understanding of the fundamental laws of quantum physics. In particular, helium spectroscopy has played a crucial role in describing two-electron interactions, determining the fine-structure constant and extracting the size of the helium nucleus. Here we present a measurement of the doubly forbidden 1557-nanometer transition connecting the two metastable states of helium (the lowest energy triplet state 2

U2 - 10.1126/science.1205163

DO - 10.1126/science.1205163

M3 - Article

VL - 333

SP - 196

EP - 198

JO - Science

JF - Science

SN - 1095-9203

IS - 6039

ER -

Frequency Metrology in Quantum Degenerate Helium: Direct Measurement of the 2 (3)S(1) -> 2 (1)S(0) Transition

Abstract

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