This is an edited recording of Session 14 of the Amaldi15 Conference which took place on 21st Jul, 2023 from 14:00 - 17:00 UTC.

For additional information, please see the website:
https://amaldi15.org/

Contents:
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00:00 - Introduction to Session 14 "Focus session: Source Modeling and New Discovery Frontiers"

01:07 - "Gravitational wave tails-of-memory and the phase of compact binaries to 4.5PN order" Luc Blanchet

47:52 - "New discovery frontiers of gravitational waves" Benjamin J Owen

1:41:32 - "Probing fundamental physics with multiband and multimessenger observations of compact binaries with fast-radio-burst emitters" Kent Yagi, Zhen Pan, Huan Yang

1:59:39 - Intermission: Award Acknowledgements

2:01:29 - "Broadband quantum noise reduction in AdV+ : from frequency-dependent squeezing implementation to detection losses and scattered light mitigation" Eleonora Polini