Phd Position: Next Generation Quantum Gravity
il y a 2 jours
Exail quantum sensors (EQS) in collaboration with LP2N is looking for applicants for a PhD position within the MARIE SKŁODOWSKA-CURIE Doctoral network MAWI.World leader in the production of industrial-grade quantum gravimeters, EQS provides turnkey absolute gravimeters based on matter-wave interferometry for geophysicists and geodesists.
The LP2N is deeply involved in the construction of the MIGA large-scale gravity antenna [1], a research infrastructure based on matter wave interferometry in development at the LSBB underground laboratory. MIGA will provide precise measurements of the local gravity sensed by a network of three free-falling atom test masses distant up to 150 m.
In the first part of the thesis, the applicant will be working on the most advanced instrument developed at EQS, the Differential Quantum Gravimeter (DQG) [2], a double matter-wave interferometer able to measure simultaneously the local gravity acceleration and its gravity gradient [3]. The work will concentrate on optimizing the performances of the device and its accuracy above the current state of the art and using it to perform useful measurements for geophysics or civil engineering.
In a second part the student will be involved within the LP2N in the MIGA project, where his/her work will be focused on the development of advanced atom gradiometry techniques. In particular, he/she will develop new metrological models and simulations for high-sensitive measurement of the gravity gradient over the horizontal direction. A simultaneous operation with the DQG will be explored to open multi-axial sensing of the gravitational field.
[1] B. Canuel, A. Bertoldi, L. Amand et al., Exploring gravity with the MIGA large scale atom interferometer. Sci Rep 8,14064 (2018). hWps: //doi.org/10.1038/s41598-018-32165-z [2] Camille Janvier, Vincent Ménoret, et al., Compact differen=al gravimeter at the quantum projec=on-noise limit.Phys. Rev. A 105, 022801 hWps: //doi.org/10.1103/PhysRevA.105.022801 [3] R. Caldani, K. X. Weng, S. Merlet, and F. Pereira Dos Santos, Simultaneous accurate determina=on of both gravityand its ver=cal gradient. Phys. Rev. A 99, 033601 hWps: //doi.org/10.1103/PhysRevA.99.033601
**Conditions**: - Must abide by MCSA mobility clause
- UE Nationality
About EXAIL
Exail is a leading high-tech industrial group specializing in cutting-edge robotics, maritime, navigation, aerospace and photonics technologies. With a strong entrepreneurial culture, Exail delivers unrivaled performance, reliability and safety to its civil and defense clients operating in severe environments. From the deep sea to outer space, Exail expands their capabilities with a full range of robust in-house manufactured components, products and systems.
Employing a workforce of 1500 people worldwide, the company benefits from a global footprint and conducts its business in over 80 countries.
Exail was formed by ECA Group and iXblue joining forces in 2022. It is a subsidiary of Groupe Gorgé, a family-owned company specialized in high-technology.
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