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날짜 2024-03-13 16:00 
일시 Mar. 13th (Wed) at 4 PM 
장소 E6-2 #2502 
연사 Kanghoon Lee (APCTP) 
We are happy to announce the High-Energy Theory Seminar this week by Kanghoon Lee from APCTP. 
Everyone is welcome to join. 
 
Speaker: Kanghoon Lee (APCTP)
Time: Mar. 13th (Wed) at 4 PM
Place: E6-2 #2502
 
Title: The Schwarzschild Black Hole from Perturbation Theory to all Orders

Abstract: Applying the quantum field theoretic perturbiner approach to Einstein gravity, we compute the metric of a Schwarzschild black hole order by order in perturbation theory. Using recursion, this perturbative calculation can be carried out in de Donder gauge to all orders in Newton’s constant. The result is a geometric series which is convergent outside a disk of finite radius, and it agrees within its region of convergence with the known de Donder gauge metric of a Schwarzschild black hole. It thus provides a first all-order perturbative computation in Einstein gravity with a matter source, and this series converges to the known non-perturbative expression in the expected range of convergence.
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