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DTSTART;TZID=America/New_York:20230410T110000
DTEND;TZID=America/New_York:20230410T120000
DTSTAMP:20260411T041146
CREATED:20230730T190732Z
LAST-MODIFIED:20240215T101627Z
UID:10001161-1681124400-1681128000@cmsa.fas.harvard.edu
SUMMARY:Swampland bounds on the abelian gauge sectors
DESCRIPTION:Swampland Seminar \nSpeaker: Seung-Joo Lee (IBS Daejeon)\n\nTitle: Swampland bounds on the abelian gauge sectors \nAbstract: In this talk we will derive various bounds on the 0-form and the 1-form abelian gauge sectors of gravitational effective theories in 6 dimensions with minimal supersymmetry. We will start by considering 6-dimensional F-theory vacua with at least one tensor multiplets\, to bound for them the number of the (0-form) U(1) gauge factors as well as the cyclic orders of the 1-form discrete gauge factors. While the two abelian gauge sectors may look rather independent\, we will observe that both are heavily constrained by the solitonic heterotic strings present in the spectrum\, which provide a common intuition for the derived bounds. Building upon the heterotic intuition\, we will also try extending the arena to address analogous bounds for all F-theory vacua in 6 dimensions and even beyond. If time permits\, several applications and future directions of research will be discussed at the end of the talk.
URL:https://cmsa.fas.harvard.edu/event/swampland_41023/
LOCATION:CMSA Room G10\, CMSA\, 20 Garden Street\, Cambridge\, MA\, 02138\, United States
CATEGORIES:Swampland Seminar
ATTACH;FMTTYPE=image/png:https://cmsa.fas.harvard.edu/media/CMSA-Swampland-Seminar-04.10.23.png
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DTSTART;TZID=America/New_York:20230410T150000
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DTSTAMP:20260411T041146
CREATED:20230808T174720Z
LAST-MODIFIED:20240111T070433Z
UID:10001194-1681138800-1681142400@cmsa.fas.harvard.edu
SUMMARY:Localization for random band matrices
DESCRIPTION:Probability Seminar \n*Please note room change: Science Center 232* \n\nSpeaker: Ron Peled (Tel Aviv University) \nTitle: Localization for random band matrices \nAbstract: I will explain an approach via “an adaptive Mermin-Wagner style shift” which proves localization of N x N Gaussian random band matrices with band width W satisfying W << N^{1/4}. \nJoint work with Giorgio Cipolloni\, Jeffrey Schenker and Jacob Shapiro.
URL:https://cmsa.fas.harvard.edu/event/probability-41023/
LOCATION:Harvard Science Center\, 1 Oxford Street\, Cambridge\, MA\, 02138
CATEGORIES:Probability Seminar
ATTACH;FMTTYPE=image/png:https://cmsa.fas.harvard.edu/media/CMSA-Probability-Seminar-04.10.23.png
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