{"id":1496,"date":"2019-10-25T17:43:00","date_gmt":"2019-10-25T17:43:00","guid":{"rendered":"https:\/\/astro.uc.cl\/charlas\/postponed-relativistic-cosmological-large-scale-structures-at-one-loop-dr-clement-stahl-pontificia-universidad-catolica-de-valparaiso\/"},"modified":"2022-07-21T19:35:57","modified_gmt":"2022-07-21T19:35:57","slug":"postponed-relativistic-cosmological-large-scale-structures-at-one-loop-dr-clement-stahl-pontificia-universidad-catolica-de-valparaiso","status":"publish","type":"charlas","link":"https:\/\/astro.uc.cl\/en\/charlas\/postponed-relativistic-cosmological-large-scale-structures-at-one-loop-dr-clement-stahl-pontificia-universidad-catolica-de-valparaiso\/","title":{"rendered":"POSTPONED: Relativistic cosmological large scale structures at one-loop (Dr. Cl\u00e9ment Stahl; Pontificia Universidad Cat\u00f3lica de Valpara\u00edso)"},"content":{"rendered":"\n

In this talk, I will discuss some aspects of non-linear structure formation. The calculation of the bispectrum usually involves linear physics on large scales and non-linear (but Newtonian) physics on small scales. However, in the squeezed limit, the bispectrum (unlike the power spectrum) couples large scales with small scales. I will present the calculation of the non-linear relativistic corrections to the dynamics of dark matter perturbations. They are of the same order of magnitude, in the squeezed limit, than a primordial local non-Gaussianity signal. Such signal is expected to be within the accuracy of the next generation of LSS surveys.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"categorias_charlas":[59],"class_list":["post-1496","charlas","type-charlas","status-publish","hentry","categorias_charlas-seminarios"],"acf":[],"yoast_head":"\nPOSTPONED: Relativistic cosmological large scale structures at one-loop (Dr. Cl\u00e9ment Stahl; Pontificia Universidad Cat\u00f3lica de Valpara\u00edso) - Instituto de Astrof\u00edsica<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/astro.uc.cl\/en\/charlas\/postponed-relativistic-cosmological-large-scale-structures-at-one-loop-dr-clement-stahl-pontificia-universidad-catolica-de-valparaiso\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"POSTPONED: Relativistic cosmological large scale structures at one-loop (Dr. Cl\u00e9ment Stahl; Pontificia Universidad Cat\u00f3lica de Valpara\u00edso) - Instituto de Astrof\u00edsica\" \/>\n<meta property=\"og:description\" content=\"In this talk, I will discuss some aspects of non-linear structure formation. 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