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SUMMARY:Scattering of Arbitrarily Excited Strings & Applications
DTSTART;VALUE=DATE-TIME:20260528T080000Z
DTEND;VALUE=DATE-TIME:20260528T100000Z
DTSTAMP;VALUE=DATE-TIME:20260625T160658Z
UID:indico-event-446@indico.itp.ac.cn
DESCRIPTION:Speaker: Maurizio Firrotta (Fudan University)\n\nAbstract: I 
 will present a recent extension of the Veneziano and Shapiro-Virasoro ampl
 itudes with arbitrarily excited strings (AES) in critical bosonic string t
 heory. I will also discuss several novel applications\, such as chaotic si
 gnatures in string amplitudes with excited states\, the absorption univers
 ality emerging from the cross section of AES and the emission rate of AES 
 with particular focus on the photon and graviton emission spectrum. Finall
 y I will comment on the spin multipole expansion and the (classical) infin
 ite spin limit of three-point Heavy-Light-Heavy string amplitudes for lead
 ing and sub-leading Regge trajectories.\n\nBiography: Maurizio Firrotta i
 s currently a postdoctoral researcher at Fudan University in Shanghai sinc
 e autumn 2025. Previously\, he obtained the Marie Skłodowska-Curie Fellow
 ship with a project focused on the chaotic aspects of black holes in strin
 g theory\, hosted at the Crete Center for Theoretical Physics (CCTP) from 
 2023 to 2025. From 2021 to 2022\, he was visiting research collaborator at
  the University of Rome "Tor Vergata." He received his PhD in spring 2021 
 and his MSc in spring 2017 from University of Rome "Tor Vergata." His rese
 arch focuses on scattering processes in quantum gravity and related chaoti
 c aspects.\n\nhttps://indico.itp.ac.cn/event/446/
LOCATION:ITP South Building 6620
URL:https://indico.itp.ac.cn/event/446/
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