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DTSTART;TZID=Europe/Madrid:20260318T153000
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CREATED:20260310T094634Z
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SUMMARY:DIFT Colloquium: 'The Mystery of Cosmic Acceleration'
DESCRIPTION:Title: The Mystery of Cosmic Acceleration\n\nSpeaker: Prof. David Weinberg\, The Ohio State University\, USA\n\nDate and time: 15:30h (CET)\, Wednesday\, March 18th\, 2026\n\nLocation: CFTMAT Auditorium\n\nAfter the talk\, we will have a coffee gathering\, providing an opportunity to continue the discussion and interact with the speaker in an informal setting.\n\nZoom link:\nhttps://us02web.zoom.us/j/87376882248?pwd=ydvE94nhe7Wq03As62XTn9aj0Nwgqh.1 \n\nAbstract:\nCosmic acceleration is one of the most surprising cosmological discoveries\nof the past century. Even the “simplest” explanations require new\,\ncosmologically dominant energy components with exotic physical properties.\nCurrent and near-future experiments are seeking clues to the origin of\ncosmic acceleration by measuring the history of expansion and structure\ngrowth with sub-percent precision over a wide span of redshift. I will\nreview the observational methods that underpin these measurements\nand assess the current state of play\, with particular attention to recent\nmeasurements from the Dark Energy Spectroscopic Instrument (DESI) which\nsuggest that the properties of dark energy are evolving at a startling rate.\nI will discuss the prospects and challenges for the new generation of\nexperiments — DESI\, the Euclid mission\, the Vera Rubin Observatory\,\nand the Nancy Grace Roman Space Telescope — which aim to sharpen cosmological\nmeasurements by a factor of ten.
URL:https://www.ift.uam-csic.es/event/dift-colloquium-3/
LOCATION:IFT Auditorium\, Instituto de Física Teórica (IFT) - C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\,\, Spain
CATEGORIES:Colloquia,Scientific activities
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