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DTSTART:20240101T000000
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DTSTART;TZID=UTC:20250408T090000
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DTSTAMP:20260620T084934
CREATED:20250329T122145Z
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UID:10067-1744102800-1744106400@www.lapth.cnrs.fr
SUMMARY:Zucheng Gao - Chasing parity-violating signature in large-scale structure cosmology
DESCRIPTION:Speakers: Zucheng Gao\nParity-violating has been found in the weak interactions. In cosmology\, certain inflation mechanism can also introduce parity-violating imprints on the primordial fluctuations. Here we present theoretically how the parity-violating signature enters large-scale structure (LSS)\, based on Eulerian perturbation theory (EPT). We develop an effective estimator to extract parity-violating information from LSS. We test this estimator by performing both the theory calculation and the measurement on simulations. We also pin down the obstacles faced by LSS surveys before we can claim a detection of a primordial parity-violating signature.\n \n \nhttps://indico.in2p3.fr/event/36088/
URL:https://www.lapth.cnrs.fr/en/event/zucheng-gao/
LOCATION:Salle de Sommets
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