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SUMMARY:Quantum Sensing of Radiative Decay Photons with Superconducting Qu
 bits
DTSTART:20260814T020000Z
DTEND:20260814T033000Z
DTSTAMP:20260830T083200Z
UID:indico-event-432@indico.kias.re.kr
DESCRIPTION:Speakers: Doojin Kim (University of South Dakota)\n\nTitle: Qu
 antum Sensing of Radiative Decay Photons with Superconducting Qubits\nSpea
 ker: Doojin Kim\nAbstract: Radiative decays of weakly interacting particle
 s can produce extremely faint photons in the micro-eV range\, correspondin
 g to GHz-scale microwave signals. This energy scale naturally matches the 
 transition frequencies of superconducting qubits. In this talk\, I will di
 scuss how transmon qubits can be used as resonant quantum sensors for such
  rare decay photons. Starting from the classical and quantum descriptions 
 of LC resonators\, I will explain how Josephson-junction nonlinearity lead
 s to an anharmonic two-level system\, how an electromagnetic signal drives
  Rabi oscillations\, and how the resulting transition probability can be c
 onverted into an event-rate estimate. I will then discuss sensitivity pros
 pects for radiative decays of dark matter and neutrinos\, including possib
 le enhancements from reflective cavities\, effective volume scaling\, repe
 ated measurements\, and collective quantum protocols.\n \nParticle Physic
 s is inviting you to a scheduled Zoom meeting.Join Zoom Meetinghttps://kia
 s-re-kr.zoom.us/j/88697495436?pwd=1yLFhGvoltabrmPc31zwmvHBHifaFB.1Meeting 
 chat linkhttps://kias-re-kr.zoom.us/launch/jc/88697495436Meeting ID: 886 9
 749 5436Passcode: 485979\n\nhttps://indico.kias.re.kr/event/432/
LOCATION:Room 1423 (KIAS)
URL:https://indico.kias.re.kr/event/432/
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