<< December 2021 >>
 
 >>
 >>
 >>
 >>
 >>
Sun Mon Tue Wed Thu Fri Sat
   1   2   3   4 
 5   6   7   8   9   10   11 
 12   13   14   15   16   17   18 
 19   20   21   22   23   24   25 
 26   27   28   29   30   31   
 
Add an Event

Theory Seminar (High Energy/Cosmology)

<< Summer 2021 Fall 2021 Spring 2022 >>
Subscribe to receive email announcements of events

Events on Wednesday, December 15th, 2021

The Large Scale Structure of α' Effects in String Theory
Time: 1:00 pm
Place: Chamberlin 5280
Speaker: Andreas Schachner, University of Cambridge
Abstract: In this talk, I discuss three approaches to deriving and understanding α' effects in String Theory. I present preliminary results of a project on completing the ten-dimensional type II effective actions at higher order in string perturbation theory. In this context, I provide concrete evidence at the level of five-point superstring amplitudes that the kinematics in the maximally U(1)-violating sector is obtained from standard superspace integrals over sixteen fermionic coordinates. This is in line with 11D superparticle amplitudes in M-theory compactified on 2-tori where the well-known modular forms required for SL(2,Z) invariance of type IIB arise from integrating out winding modes on the torus.
Host: Lars Aalsma
Add this event to your calendar

©2013 Board of Regents of the University of Wisconsin System