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SUMMARY:[JC] Runaway gravitational production of dark photons
DTSTART:20260604T060000Z
DTEND:20260604T070000Z
DTSTAMP:20260618T174700Z
UID:indico-event-1314@indico.ibs.re.kr
DESCRIPTION:Speakers: Huayang Song\n\n In this talk\, I will introduce 24
 03.15536 (Published in PRL on 9 August\, 2024)\, where the authors found t
 hat cosmological gravitational particle production of a dark photon field 
 during inflation in the presence of non-minimal coupling to gravity may su
 ffer from an instability which leads to runaway production of high-momentu
 m modes. Therefore the parameter space of the particle mass and non-minima
 l couplings is strongly constrained.\nI also forward a companion paper\, 2
 405.19390\, which includes a lot of calculation details\, and also a paper
  2009.03828\, where gravitational particle production of dark photons in t
 he minimal coupled case is discussed.\n\nhttps://indico.ibs.re.kr/event/13
 14/
LOCATION:CTPU seminar room (IBS)
URL:https://indico.ibs.re.kr/event/1314/
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