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Portail > Offres > Offre UMR6534-AURGON-014 - CDD (H/F) : Étude la propagation des bruits corrélés au niveau TDI de l'interféromètre LISA

Postdoctoral researcher (M/F) : Correlated noises propagation study at TDI level for spatial interferometer LISA

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : jeudi 21 juillet 2022

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General information

Reference : UMR6534-AURGON-014
Workplace : CAEN
Date of publication : Thursday, May 19, 2022
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 1 July 2022
Proportion of work : Full time
Remuneration : between 2690 € and 3099 € gross monthly
Desired level of education : PhD
Experience required : 1 to 4 years


This work is part of the B1 phase of the LISA (Laser Interferometer Space Antenna) space mission whose objective will be to measure gravitational waves in the frequency range 10-5 Hz to 1 Hz. This phase consists in the precise definition of the mission in order to choose the final design of the instrument.

The candidate will contribute to the study on the instrumental noise propagation through the time delay interferometry technique (TDI). This study has been started without taking into account noise correlation so far.
The main goal will be the study of correlation scenarios and the implementation of noise models within the instrument simulator (LISANode). The INREP processing is in charge of publishing L1 data from L0 data after noise suppression, data frame synchronization... An expected additionnal contribution will consists in the INREP software integration in order to simulate the L0 to L1 data processing pipelines.


The successful candidate will be expected to become familiar with the definitions of instrumental noise and its propagation through the suppression and TDI algorithms. The collaborative work with the performance model group will be the starting point for the following actions :
- Propose analytical formulations of correlated noise propagation based on currently used tools to study non-correlated noise sources,
- Use one or more simulators to validate the noise models before publication,
- Write a technical note to list the noise propagation models according to the scenarios identified with the performance group.


The candidate must hold a PhD in Experimental Physics. He/She should have excellent analysis and software skills (Patlab, Python, C++), teamwork abilities and be fluent in English.

An experience in gravitational waves physics will be highly appreciated but not mandatory.

Work Context

The candidate will join the « groupe Astroparticules et multi-messagers » so called GrAMM. The activities of the team concern the properties of neutrinos, and gravitational waves. Our participations in these projects range from instrumentation to analysis of data acquired by the experiments, as well as simulations.
The LPC CAEN, with about 88 staff, is a joint research unit (UMR 6534) depending on three supervisory bodies: the CNRS, the University of Caen Normandy (UNICAEN) and the École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN). It is located on the Campus 2 of the University of Caen (Campus Côte de Nacre) and is part of the research park of ENSICAEN (www.lpc-caen.in2p3.fr/).

Constraints and risks

Travels in France and international.

Additional Information

Interested candidates should submit a letter of interest, a CV including research activities and publications.
The employment contract can start no earlier than July 1st, 2022 and no later than December 1st, 2022.

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