Tracking the vector acceleration with a hybrid quantum accelerometer triad [PDF]
Science Advances, 2022 Robust and accurate acceleration tracking remains a challenge in many fields. For geophysics and economic geology, precise gravity mapping requires onboard sensors combined with accurate positioning and navigation systems.
Baptiste Battelier +2 more
exaly +7 more sources
Development and Proof of Concept of a Miniaturized MEMS Quantum Tunneling Accelerometer Based on PtC Tips by Focused Ion Beam 3D Nano-Patterning [PDF]
Sensors, 2021 Most accelerometers today are based on the capacitive principle. However, further miniaturization for micro integration of those sensors leads to a poorer signal-to-noise ratio due to a small total area of the capacitor plates.
Michael Haub +4 more
doaj +8 more sources
Navigation-Compatible Hybrid Quantum Accelerometer Using a Kalman Filter [PDF]
Physical Review Applied, 2018 Long-term inertial navigation is currently limited by the bias drifts of gyroscopes and accelerometers and ultra-stable cold-atom interferometers offer a promising alternative for the next generation of high-end navigation systems.
Baptiste Battelier +2 more
exaly +6 more sources
Hybrid Electrostatic–Atomic Accelerometer for Future Space Gravity Missions [PDF]
Remote Sensing, 2022 Long-term observation of Earth’s temporal gravity field with enhanced temporal and spatial resolution is a major objective for future satellite gravity missions.
Nassim Zahzam +13 more
doaj +4 more sources
Quantum-entangled feature selection and spiking graph transformer networks for early detection of childhood behavioral markers [PDF]
Frontiers in Behavioral NeuroscienceIntroductionEarly identification of childhood behavioural markers using wearable sensing is important for timely intervention in developmental and sleep-related disorders. Wrist-worn accelerometer data provide objective measures of behavioural regulation
Karthiga M +4 more
doaj +3 more sources
Novel Design of an Extremely Miniaturized Accelerometer Based on Quantum Tunneling Effect [PDF]
Proceedings, 2018 This paper presents the design of an extremely miniaturized accelerometer based on the tunneling effect. Because of its high sensitivity the tunneling effect allows the detection of smallest deflections.
Michael Haub +3 more
doaj +3 more sources
Accelerometer Data Transplant for Future Satellite Gravimetry
Earth and Space ScienceAccurate monitoring of the Earth's gravity field is crucial for understanding mass redistribution processes related to climate change, hydrology, and geodynamics.
Mohsen Romeshkani +4 more
doaj +3 more sources
Combined Classical and Quantum Accelerometers for Future Satellite Gravity Missions
Earth and Space ScienceCold atom interferometry based quantum accelerometers (Q‐ACCs) are very promising for future satellite gravity missions thanks to their strength in providing long‐term stable and precise measurements of non‐gravitational accelerations.
Alireza HosseiniArani +9 more
doaj +5 more sources
Quantum sensing of acceleration and rotation by interfering magnetically launched atoms. [PDF]
Sci AdvAccurate and stable measurement of inertial quantities is essential in geophysics, geodesy, fundamental physics, and inertial navigation. Here, we present an architecture for a compact cold-atom accelerometer-gyroscope based on a magnetically launched ...
Salducci C +8 more
europepmc +3 more sources
Enhancing the precision limits of interferometric satellite geodesy missions
npj Microgravity, 2022 Satellite geodesy uses the measurement of the motion of one or more satellites to infer precise information about the Earth’s gravitational field. In this work, we consider the achievable precision limits on such measurements by examining approximate ...
Lorcán O. Conlon +5 more
doaj +1 more source