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SUMMARY:[RBRC seminar] Extending the Reach of Gravitational-Wave Cosmology
DTSTART:20260604T163000Z
DTEND:20260604T183000Z
DTSTAMP:20260604T080900Z
UID:indico-event-32731@indico.bnl.gov
DESCRIPTION:Speakers: Saba Shalamberidze (Stony Brook University)\n\nGravi
 tational wave measurements can open an observational window onto the early
  Universe and physics at energy scales inaccessible to terrestrial experim
 ents. In this context\, two targets are especially important: high-frequen
 cy gravitational waves\, which are expected to be especially relevant for 
 cosmological signals in a largely unexplored frequency range\, and the chi
 rality of stochastic gravitational wave backgrounds\, which would be a dis
 tinctive signature of primordial parity violation and symmetry breaking. 
 This presentation discusses two proposed strategies for accessing these ta
 rgets. The first proposal uses qumodes\, a concept from quantum informati
 on\, to enhance high-frequency searches based on gravitational wave-photon
  conversion in magnetized resonant cavities. The second proposal introduc
 es a tilted arm extension of the Einstein Telescope\, a planned third-gene
 ration underground gravitational wave observatory\, creating a non-coplana
 r detector configuration that can isolate the circular polarization of a s
 tochastic gravitational wave background. These proposals show how tools f
 rom quantum computing and new interferometer geometries can extend the re
 ach of gravitational wave cosmology.\n \n\nhttps://indico.bnl.gov/event/3
 2731/
LOCATION:2-160 (https://bnl.zoomgov.com/j/1600983728?pwd=RAD7OLcqre7Ycsp6J
 fFp6HAnpyLxex.1)
URL:https://indico.bnl.gov/event/32731/
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