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SUMMARY:String-brane interactions in the Regge limit - Giuseppe D'Appollon
 io (Cagliari/INFN)
DTSTART:20190124T130000Z
DTEND:20190124T140000Z
UID:TALK117091@talks.cam.ac.uk
CONTACT:Dr. Carl Turner
DESCRIPTION:In the Regge limit string-string interactions and string-brane
 \ninteractions\ncan be neatly described by a simple operator\, the eikonal
  operator.\nAfter\nreviewing the derivation of this result\, I will discus
 s how we can use\nit to\nlearn something about curved spacetimes in string
  theory and the form of\nthe\ninteractions between the massive\, higher-sp
 in states of the string\nspectrum.\nMore precisely\, I will show how the d
 ynamics of a string in the curved\nspacetime\nof an extremal p-brane is en
 coded in the eikonal operator for\nstring-brane\nscattering in flat spacet
 ime. I will also describe in some detail the\ninelastic\ntransitions cause
 d by the action of the tidal forces on the string.\n
LOCATION:Potter Room (first floor\, Pav. B)
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