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X-ORIGINAL-URL:https://www.ift.uam-csic.es
X-WR-CALDESC:Events for Instituto de Física Teórica
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DTSTART:20241027T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20251202T113000
DTEND;TZID=Europe/Madrid:20251202T130000
DTSTAMP:20260415T073515
CREATED:20251107T120803Z
LAST-MODIFIED:20251125T081101Z
UID:23693-1764675000-1764680400@www.ift.uam-csic.es
SUMMARY:Holo Club: 'Complexity equals anything for multi-horizon black holes'
DESCRIPTION:Speaker: Hong-Yue Jiang (Lanzhou University) \nVenue&Time: 11:30 / Gray Room 3 \nAbstract: We investigate the “complexity equals anything” proposal with codimension-one and codimension-zero gravitational observables for multi-horizon black holes\, using the Bardeen-AdS class black hole as an example. In particular\, we compare the results with the “complexity equals volume” (CV) proposal and find that the generalized volume complexitiy enables the probing of a more complete black hole interior\, that is\, all spacetime regions where the blackening factor $f(r)<0$. This is the advantage brought by the flexibility of this holographic complexity conjecture. In addition\, we compute the codimension-zero gravitational observables derived from various geometric quantities and show that these constructions can effectively differentiate the distinct interior regions of the black hole.
URL:https://www.ift.uam-csic.es/event/holo-club-complexity-equals-anything-for-multi-horizon-black-holes/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
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BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20251202T140000
DTEND;TZID=Europe/Madrid:20251202T150000
DTSTAMP:20260415T073515
CREATED:20251128T160842Z
LAST-MODIFIED:20251128T160842Z
UID:23991-1764684000-1764687600@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them.
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-9/
LOCATION:Discussion room 5th floor\, C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20251202T150000
DTEND;TZID=Europe/Madrid:20251202T160000
DTSTAMP:20260415T073515
CREATED:20251114T160431Z
LAST-MODIFIED:20251218T085418Z
UID:23744-1764687600-1764691200@www.ift.uam-csic.es
SUMMARY:GRASS Seminar: 'Electric-magnetic duality of dyonic Kerr-Newman-NUT-AdS spacetimes'
DESCRIPTION:GRASS (GRAvity\, Supergravity & Superstrings) Seminar \nSpeaker: Cristóbal Andrés Corral (Universidad Adolfo Ibáñez\, Chle) \nVenue & Time: Red Room / 15:00 \nAbstract: We discuss the (anti-)self-duality conditions under which the electric and magnetic parts of the conserved charges of the dyonic Kerr-Newman-NUT-AdS solution become equivalent. Within a holographic framework\, the stress tensor and the boundary Cotton tensor are computed from the electric/magnetic content of the Weyl tensor. The holographic stress tensor/Cotton tensor duality is recovered along the (anti-)self-dual curve in parameter space. We show that the latter not only implies a duality relation for the mass but also for the angular momentum.  The partition function is computed to first order in the saddle-point approximation and a BPS bound is obtained. The ground state of the theory is enlarged to all the (anti-)self-dual configurations when the SO(4) and U(1) Pontryagin densities are introduced. We demonstrate this at the level of the action and variations thereof.
URL:https://www.ift.uam-csic.es/event/grass-seminar-electric-magnetic-duality-of-dyonic-kerr-newman-nut-ads-spacetimes/
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20251202T150000
DTEND;TZID=Europe/Madrid:20251202T160000
DTSTAMP:20260415T073515
CREATED:20251128T160718Z
LAST-MODIFIED:20251128T160718Z
UID:23989-1764687600-1764691200@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club
DESCRIPTION:Every Tuesday at 15:00 in Grey Room 3.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-4/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs
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