• Priyadarshi Paul (International Centre for Theoretical Sciences, Bengaluru, India) - The Hilbert space & holography of information in de Sitter quantum gravity

    Updated: 2023-10-31 23:04:02
    , QFT , Strings and Beyond” Autumn Semester 2023 Wednesday , 14:00, HIT E41.1 Organised by : Niklas Beisert , Johannes Broedel , Matthias Gaberdiel day date time venue speaker title Wed 27.09. 14:00 HIT E41.1 Upamanyu Moitra ICTP Finite Entanglement Entropy in String Theory” abstract click to view The finiteness of the entanglement entropy in string theory has crucial implications for the information paradox , quantum gravity , and holography . In my talk , I will describe the recent progress made on establishing this finiteness . I will describe the orbifold construction appropriate for analyzing entanglement in string theory , the tachyonic divergences that one encounters and how we get a finite and calculable answer for the entanglement entropy . Time permitting , I will also discuss

  • The Proton, A Bag Of Garbage

    Updated: 2023-10-31 16:32:12
    Since most of the building blocks of our own body are protons, the above title might disturb sensitive readers. On the other hand, describing a proton as a bag of garbage has several merits, as it is a fruitful analogy that may be carried forward when we wish to examine experiments that studied the structure of matter. I will explain what I mean in a moment below.read more

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