Understanding the gravitational and magnetic environment of a very long baseline atom interferometer

Ali Lezeik; Dorothee Tell; Klaus Zipfel; Vishu Gupta; Étienne Wodey; Ernst Rasel; Christian Schubert; Dennis Schlippert

doi:10.48550/arXiv.2209.08886

Details

Original language	English
Title of host publication	Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022
Subtitle of host publication	Proceedings of the Ninth Meeting on CPT and Lorentz Symmetry
Editors	Ralf Lehnert
Publisher	World Scientific
Pages	64-68
Number of pages	5
ISBN (electronic)	9789811275388
Publication status	Published - Jun 2023
Event	Ninth Meeting on CPT and Lorentz Symmetry - Indiana University Bloomington, United States Duration: 17 May 2022 → 26 May 2022

Publication series

Name	Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022

Abstract

By utilizing the quadratic dependency of the interferometry phase on time, the Hannover Very Long Baseline Atom Interferometer facility (VLBAI) aims for sub nms−2 gravity measurement sensitivity. With its 10 m vertical baseline, the VLBAI offers promising prospects in testing fundamental physics at the interface between quantum mechanics and general relativity. Here we discuss the challenges imposed by controlling the VLBAI’s magnetic and gravitational environment and report on their effect on the device’s accuracy. Within the inner 8 m of the magnetic shield, residual magnetic field gradients expect to cause a bias acceleration of only 6 × 10−14 ms−2 while we evaluate the bias shift due to the facility’s non-linear gravity gradient to 2.6 nms−2. The model allows the VLBAI facility to be a reference to other mobile devices for calibration purposes with an uncertainty below the 10 nms−2 level.

Keywords

physics.atom-ph, hep-ph

ASJC Scopus subject areas

Physics and Astronomy(all)
Astronomy and Astrophysics

Cite this

Understanding the gravitational and magnetic environment of a very long baseline atom interferometer. / Lezeik, Ali; Tell, Dorothee; Zipfel, Klaus et al.
Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022: Proceedings of the Ninth Meeting on CPT and Lorentz Symmetry. ed. / Ralf Lehnert. World Scientific, 2023. p. 64-68 (Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022).

Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review

Lezeik, A, Tell, D, Zipfel, K, Gupta, V, Wodey, É, Rasel, E, Schubert, C & Schlippert, D 2023, Understanding the gravitational and magnetic environment of a very long baseline atom interferometer. in R Lehnert (ed.), Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022: Proceedings of the Ninth Meeting on CPT and Lorentz Symmetry. Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022, World Scientific, pp. 64-68, Ninth Meeting on CPT and Lorentz Symmetry, United States, 17 May 2022. https://doi.org/10.48550/arXiv.2209.08886, https://doi.org/10.1142/9789811275388_0014

Lezeik, A., Tell, D., Zipfel, K., Gupta, V., Wodey, É., Rasel, E., Schubert, C., & Schlippert, D. (2023). Understanding the gravitational and magnetic environment of a very long baseline atom interferometer. In R. Lehnert (Ed.), Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022: Proceedings of the Ninth Meeting on CPT and Lorentz Symmetry (pp. 64-68). (Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022). World Scientific. https://doi.org/10.48550/arXiv.2209.08886, https://doi.org/10.1142/9789811275388_0014

Lezeik A, Tell D, Zipfel K, Gupta V, Wodey É, Rasel E et al. Understanding the gravitational and magnetic environment of a very long baseline atom interferometer. In Lehnert R, editor, Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022: Proceedings of the Ninth Meeting on CPT and Lorentz Symmetry. World Scientific. 2023. p. 64-68. (Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022). Epub 2022 Sept 19. doi: 10.48550/arXiv.2209.08886, 10.1142/9789811275388_0014

Lezeik, Ali ; Tell, Dorothee ; Zipfel, Klaus et al. / Understanding the gravitational and magnetic environment of a very long baseline atom interferometer. Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022: Proceedings of the Ninth Meeting on CPT and Lorentz Symmetry. editor / Ralf Lehnert. World Scientific, 2023. pp. 64-68 (Proceedings of the 9th Meeting on CPT and Lorentz Symmetry, CPT 2022).

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abstract = "By utilizing the quadratic dependency of the interferometry phase on time, the Hannover Very Long Baseline Atom Interferometer facility (VLBAI) aims for sub nms−2 gravity measurement sensitivity. With its 10 m vertical baseline, the VLBAI offers promising prospects in testing fundamental physics at the interface between quantum mechanics and general relativity. Here we discuss the challenges imposed by controlling the VLBAI{\textquoteright}s magnetic and gravitational environment and report on their effect on the device{\textquoteright}s accuracy. Within the inner 8 m of the magnetic shield, residual magnetic field gradients expect to cause a bias acceleration of only 6 × 10−14 ms−2 while we evaluate the bias shift due to the facility{\textquoteright}s non-linear gravity gradient to 2.6 nms−2. The model allows the VLBAI facility to be a reference to other mobile devices for calibration purposes with an uncertainty below the 10 nms−2 level.",

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