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날짜 2024-05-14 16:00 
일시 May 14 (Tue), 4PM 
장소 E6-2, #2502 
연사 Dr. Gongjun Choi (Univ. of Minnesota) 
We are delighted to announce the upcoming High-Energy Theory Seminar by Dr. Gongjun Choi visiting us from University of Minnesota. The seminar will take place today Tuesday (May 14) at 4PM at E6-2, #2502 and you are all invited to participate. 
 
Speaker: Dr. Gongjun Choi (Univ. of Minnesota)
Time: May 14 (Tuesday), 4PM
Place: E6-2, #2502
 
 
Title: Minimal Production of Prompt Gravitational Waves during Reheating.
 
Abstract:
In this talk, we discuss an unavoidable gravitational wave production mechanism in any of the standard inflationary models. The mechanism is based on the inflaton condensate annihilation. The process occurs after the end of inflation with the inflation oscillation around a minimum of the potential and continues until reheating ends. We discuss how we compute the graviton production rate and spectrum, and what information of the early universe physics we may infer from the spectrum resulting from the mechanism.
 
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356 2015-10-15 10:00  E6-2, 5th fl. #5318  Development of Large-Bore, High Field Magnets at the NHMFL
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353 2019-07-03 15:00  E6-2, 2501  Many-body quantum electrodynamis (QED) with atoms and photons: A new platform for quantum optics" file
352 2016-03-11 13:30  E6-2, 1501 외  Physics Seminar Serises : 2016 Spring file
351 2015-07-16 16:00  E6-2, 1501  KAIST Physics Distinguished Lecture
350 2015-07-16 16:00  E6-2, 1318  Next-generation ultrafast laser technology for nonlinear optics and strong-field physics
349 2015-10-23 15:00  E6-2, #5318  Development of a Rogowski Coil as a new beam position monitor
348 2015-11-06 16:30  E6-2, #5318  Topological Dirac line nodes in centrosymmetric semimetals
347 2020-02-12 13:00  E6-2, #5318  From inflation to new weak-scale file
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345 2023-06-01 16:00  E6-2, #5301  Hall viscosity and topological phenomena
344 2023-10-04 16:00  E6-2, #2502  [High-Energy Theory Seminar] Moving towards quantum technologies: the case of quantum batteries
343 2023-04-05 16:00  E6-2, #2502  [High Energy Theory Seminar]Anomalies of Discrete 1-Form Symmetries in QCD-like Theories
342 2023-05-31 16:00  E6-2, #2502  [High-Energy Theory Seminar] Resurgence and complex Chern-Simons theory
341 2023-03-22 16:00  E6-2, #2502  (High Energy Theory Seminar) Boltzmann or Bogoliubov? A Case of Gravitational Particle Production
340 2023-09-13 16:00  E6-2, #2502  [High Energy Theory Seminar] Cosmic Birefringence from Dark Photon