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T –3-Shift in a Short-Baseline Atomic Interferometer–Gravimeter.

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Τίτλος: T –3-Shift in a Short-Baseline Atomic Interferometer–Gravimeter.
Συγγραφείς: Kapusta, D. N.1 (AUTHOR) dmitriikapusta@mail.ru, Bonert, A. E.1 (AUTHOR), Goncharov, A. N.1,2 (AUTHOR), Yudin, V. I.1,2,3 (AUTHOR), Adamov, K. N.1,3 (AUTHOR), Taichenachev, A. V.1,3 (AUTHOR), Basalaev, M. Yu.1,2,3 (AUTHOR), Radchenko, M. D.1,2,3 (AUTHOR), Prudnikov, O. N.1,3 (AUTHOR)
Πηγή: JETP Letters. Mar2026, Vol. 123 Issue 6, p388-392. 5p.
Θεματικοί όροι: *Gravimeters (Geophysical instruments), *Interferometers, *Calibration, *Measurement, *Gravimetry
Περίληψη: This paper presents the first experimental observation and investigation of a lineshape-asymmetry-caused shift (LACS) in a short-baseline atomic interferometer–gravimeter. It is shown that this shift scales inversely with the cube of the free evolution time, , and can lead to a noticeable systematic error in the measured value of the gravitational acceleration at the level of 0.1–1 mGal (milliseconds). The obtained results are in good agreement with our previous theoretical studies and highlight the importance of accounting for LACS in high-precision absolute measurements of in compact atomic gravimeters. [ABSTRACT FROM AUTHOR]
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  – Url: https://dx.doi.org/doi:10.1134/S002136402660045X
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  Data: T <superscript>–3</superscript>-Shift in a Short-Baseline Atomic Interferometer–Gravimeter.
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  Data: <searchLink fieldCode="JN" term="%22JETP+Letters%22">JETP Letters</searchLink>. Mar2026, Vol. 123 Issue 6, p388-392. 5p.
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  Label: Abstract
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  Data: This paper presents the first experimental observation and investigation of a lineshape-asymmetry-caused shift (LACS) in a short-baseline atomic interferometer–gravimeter. It is shown that this shift scales inversely with the cube of the free evolution time, , and can lead to a noticeable systematic error in the measured value of the gravitational acceleration at the level of 0.1–1 mGal (milliseconds). The obtained results are in good agreement with our previous theoretical studies and highlight the importance of accounting for LACS in high-precision absolute measurements of in compact atomic gravimeters. [ABSTRACT FROM AUTHOR]
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        Value: 10.1134/S002136402660045X
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      – Code: eng
        Text: English
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      – SubjectFull: Interferometers
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              Text: Mar2026
              Type: published
              Y: 2026
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