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Part 1: Document Description
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Citation |
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Title: |
Cold-Atom Buoy: A Differential Magnetic Sensing Technique in Cold Quadrupole Traps |
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Identification Number: |
hdl:21.15109/ARP/HQN8RT |
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Distributor: |
ARP |
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Date of Distribution: |
2026-04-13 |
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Version: |
1 |
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Bibliographic Citation: |
Kurkó, Árpád; Nagy, Dávid; Simon, Alexandra; Clark, Thomas W.; Dombi, András; Varga, Dániel; Williams, Francis B.; Fortágh, József; Domokos, Peter; Vukics, András, 2026, "Cold-Atom Buoy: A Differential Magnetic Sensing Technique in Cold Quadrupole Traps", https://hdl.handle.net/21.15109/ARP/HQN8RT, ARP, V1 |
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Citation |
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Title: |
Cold-Atom Buoy: A Differential Magnetic Sensing Technique in Cold Quadrupole Traps |
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Identification Number: |
hdl:21.15109/ARP/HQN8RT |
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Identification Number: |
10.5158/ARP/HQN8RT |
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Authoring Entity: |
Kurkó, Árpád (HUN-REN Wigner Research Centre for Physics) |
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Nagy, Dávid (HUN-REN Wigner Research Centre for Physics) |
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Simon, Alexandra (HUN-REN Wigner Research Centre for Physics) |
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Clark, Thomas W. (HUN-REN Wigner Research Centre for Physics) |
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Dombi, András (HUN-REN Wigner Research Centre for Physics) |
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Varga, Dániel (HUN-REN Wigner Research Centre for Physics) |
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Williams, Francis B. (HUN-REN Wigner Research Centre for Physics) |
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Fortágh, József (Eberhard Karls Universität Tübingen) |
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Domokos, Peter (HUN-REN Wigner Research Centre for Physics) |
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Vukics, András (HUN-REN Wigner Research Centre for Physics) |
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Grant Number: |
2022-2.1.1-NL-2022-00004 and 2025-3.1.1-ED- 2025-00011 |
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Grant Number: |
MOCA 2019-2.1.7- ERA NET-2022-00041 |
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Grant Number: |
V-mag 2024-1.2.2-ERA NET- 2024-00012 |
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Grant Number: |
230870 |
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Distributor: |
ARP |
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Access Authority: |
Kurkó, Árpád |
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Depositor: |
Curko, Árpád |
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Date of Deposit: |
2026-04-07 |
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Holdings Information: |
https://hdl.handle.net/21.15109/ARP/HQN8RT |
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Study Scope |
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Keywords: |
Physics, cold atoms, quantum sensing, magnetic sensing, differential metrology |
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Abstract: |
We present a differential technique for vector magnetic sensing based on a cold- atom cloud in a magnetic quadrupole trap. An external homogeneous magnetic field displaces the trap center in a direction and magnitude proportional to the field. By reversing the quadrupole polarity between experimental shots and comparing the resulting cloud positions, we extract a differential displacement signal that is free from common-mode effects such as gravity and weak magnetic- field inhomogeneities. The signal is directionally proportional to the external field and requires only absorption imaging, without spectroscopic interrogation. Assuming micron-scale position resolution, the technique enables field resolution at the milli-Gauss level. It offers a practical tool for field compensation in magnetically sensitive experimental stages, bridging operational regimes from Earth-level fields to atomic magnetometry. A straightforward extension to full three-dimensional sensing is possible with only a minimal addition to standard cold-atom infrastructure. |
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Date of Collection: |
2025-09-11-2025-11-10 |
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Kind of Data: |
Experimental data (image data) |
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Methodology and Processing |
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Sources Statement |
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Data Access |
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Notes: |
<a href="http://creativecommons.org/licenses/by-nc/4.0">CC BY-NC 4.0</a> |
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Other Study Description Materials |
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Related Publications |
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Citation |
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Title: |
Á. Kurkó et al. : “Cold-Atom Buoy: A Differential Magnetic Sensing Technique in Cold Quadrupole Traps” |
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Bibliographic Citation: |
Á. Kurkó et al. : “Cold-Atom Buoy: A Differential Magnetic Sensing Technique in Cold Quadrupole Traps” |
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