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DTSTART;TZID=Europe/Madrid:20260318T153000
DTEND;TZID=Europe/Madrid:20260318T170000
DTSTAMP:20260407T120141
CREATED:20260310T094634Z
LAST-MODIFIED:20260318T111901Z
UID:24576-1773847800-1773853200@www.ift.uam-csic.es
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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DTSTART;TZID=Europe/Madrid:20260325T120000
DTEND;TZID=Europe/Madrid:20260325T133000
DTSTAMP:20260407T120141
CREATED:20260310T094435Z
LAST-MODIFIED:20260319T193242Z
UID:24574-1774440000-1774445400@www.ift.uam-csic.es
SUMMARY:IFT Colloquium: 'QCD critical point and the predictable randomness of relativistic fluids'
DESCRIPTION:Title: ‘QCD critical point and the predictable randomness of relativistic fluids’ \nSpeaker: Misha A. Stephanov (Illinois U.\, Chicago) \nVenue&Time: 12:00 / Red Room \nAbstract: Quantum Chromodynamics predicts a variety of unusual states of matter in which relativity and quantum many-body physics strongly intertwine. Discovering phase transitions between these extreme forms of matter in a laboratory is an unprecedented task. This is the challenge heavy-ion collision experiments are taking up at the Relativistic Heavy-Ion Collider (RHIC) and future facilities. An intriguing open question is the existence and the location of the QCD critical point. Similar critical points are ubiquitous in earthly substances and the associated fluctuation driven phenomena are remarkably universal. Can the QCD critical point be discovered in the heavy-ion collision experiments? It is a nontrivial question in large part because of the importance of the explosive dynamics of the collision. This challenging question is a subject of current research and a major motivation for recent developments in relativistic hydrodynamics. Of particular interest in this context is the dynamics of thermal fluctuations inherent in any system with dissipation.
URL:https://www.ift.uam-csic.es/event/ift-colloquium-misha-a-stephanov-illinois-u-chicago/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Colloquia,Scientific activities
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