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SUMMARY:Germain Tobar (Stockholm University)
DTSTART:20260804T070000Z
DTEND:20260804T083000Z
DTSTAMP:20260729T121500Z
UID:3cqfs/43
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/3cqfs/43/">D
 etecting single gravitons with gravitational wave detectors</a>\nby Germai
 n Tobar (Stockholm University) as part of Tricontinental Quantum Fundament
 als Seminar\n\n\nAbstract\nThe quantization of gravity is widely believed 
 to result in gravitons -- particles of discrete energy that form gravitati
 onal waves. But their detection has so far been considered impossible. In 
 this talk\, I will show that laboratory experiments can reveal signatures 
 of single graviton exchange. I will outline how both interferometric and r
 esonant-mass gravitational wave detectors can be adapted into single gravi
 ton detectors with future detector modifications. I will in particular foc
 us on key details of how interferometric gravitational wave detectors can 
 be adapted to graviton detectors [1]. Drawing a close analogy to the photo
 electric effect\, I will argue that such experiments may offer the first d
 irect evidence for the quantum nature of gravity.\n\n[1] H. A Louhglin\, G
 . Tobar\, E. Hall\, and V. Sudhir “Wave-particle duality in the measurem
 ent of gravitational radiation\,” Phys. Rev. Research <b>7</b>\, 043286 
 (2025).\n
LOCATION:https://researchseminars.org/talk/3cqfs/43/
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