Observation of the <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mn>4</mn><msup><mi>f</mi><mn>14</mn></msup><mn>6</mn><msup><mi>s</mi><mn>2</mn></msup></mrow><mo> </mo><mmultiscripts><mi>S</mi><mn>0</mn><none></none><mprescripts></mprescripts><none></none><mn>1</mn></mmultiscripts><mo>−</mo><mrow><mn>4</mn><msup><mi>f</mi><mn>13</mn></msup><mn>5</mn><mi>d</mi><mn>6</mn><msup><mi>s</mi><mn>2</mn></msup><mrow><mo>(</mo><mi>J</mi><mo>=</mo><mn>2</mn><mo>)</mo></mrow></mrow></math> clock transition at 431 nm in <math xmlns="http://www.w3.org/1998/Math/MathML"><mmultiscripts><mi>Yb</mi><mprescripts></mprescripts><none></none><mn>171</mn></mmultiscripts></math>

Akio Kawasaki; Takumi Kobayashi; Akiko Nishiyama; Takehiko Tanabe; Masami Yasuda

doi:10.1103/PhysRevA.107.L060801

Letter

Observation of the $4 f^{14} 6 s^{2} {}^{1}S_{0} - 4 f^{13} 5 d 6 s^{2} (J = 2)$ clock transition at 431 nm in ${}^{171}{Yb}$

Akio Kawasaki ^*, Takumi Kobayashi , Akiko Nishiyama , Takehiko Tanabe, and Masami Yasuda

National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8563, Japan

^*akio.kawasaki@aist.go.jp

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Phys. Rev. A 107, L060801 – Published 15 June, 2023Erratum Phys. Rev. A 109, 039904 (2024)

DOI: https://doi.org/10.1103/PhysRevA.107.L060801

Abstract

We report on the observation of the $4 f^{14} 6 s^{2} {}^{1}S_{0} - 4 f^{13} 5 d 6 s^{2} (J = 2)$ transition at 431 nm in ${}^{171}{Yb}$ by depleting atoms in a magneto-optical trap formed by the $6 s^{2} {}^{1}S_{0} - 6 s 6 p {}^{3}P_{1}$ intercombination transition. The absolute frequency of the transition to the $F = 3 / 2$ state is determined to be $695 171 054 858.1 (8.2)$ kHz against physical realization of Coordinated Universal Time maintained by the National Metrology Institute of Japan with a frequency comb. The $g$ factor of the transition to the $F = 3 / 2$ state and the A hyperfine constant are measured to be $g_{J} = 1.54 (13)$ and 1123.273(13) MHz, respectively. More precise spectroscopy of this transition can lead to searches for time variation of the fine-structure constant and searches for new physics with isotope shift measurements.

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Erratum: Observation of the $4 f^{14} 6 s^{2}^{1} S_{0} - 4 f^{13} 5 d 6 s^{2} (J = 2)$ clock transition at 431 nm in ${}^{171}{Yb}$ [Phys. Rev. A 107, L060801 (2023)]

Akio Kawasaki, Takumi Kobayashi, Akiko Nishiyama, Takehiko Tanabe, and Masami Yasuda

Phys. Rev. A 109, 039904 (2024)

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Observation of the $4 f^{14} 6 s^{2} {}^{1}S_{0} - 4 f^{13} 5 d 6 s^{2} (J = 2)$ clock transition at 431 nm in ${}^{171}{Yb}$

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Erratum

Erratum: Observation of the $4 f^{14} 6 s^{2}^{1} S_{0} - 4 f^{13} 5 d 6 s^{2} (J = 2)$ clock transition at 431 nm in ${}^{171}{Yb}$ [Phys. Rev. A 107, L060801 (2023)]

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Observation of the 4f146s2 S01−4f135d6s2(J=2) clock transition at 431 nm in Yb171

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Erratum: Observation of the 4f146s21S0−4f135d6s2(J=2) clock transition at 431 nm in Yb171 [Phys. Rev. A 107, L060801 (2023)]

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Observation of the $4 f^{14} 6 s^{2} {}^{1}S_{0} - 4 f^{13} 5 d 6 s^{2} (J = 2)$ clock transition at 431 nm in ${}^{171}{Yb}$

Erratum: Observation of the $4 f^{14} 6 s^{2}^{1} S_{0} - 4 f^{13} 5 d 6 s^{2} (J = 2)$ clock transition at 431 nm in ${}^{171}{Yb}$ [Phys. Rev. A 107, L060801 (2023)]