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Conference and Workshop

Dark Matter under the Gravitational Lens

Date April 7-10, 2025 (Mon - Thu)
Venue
Yasumoto International Academic Park, The Chinese University of Hong Kong
Website https://astrobh.physics.hku.hk/event/5/

The aim of this workshop is to bring together experts on and practitioners of gravitational lensing to address the nature of Dark Matter (DM), with a particular (albeit not exclusive) focus on whether DM comprises ultra-massive particles such as WIMPs or ultra-light particles (which manifest themselves on macroscopic scales as waves) such as Axions.  We aim for an honest discourse on the caveats, weaknesses, and ambiguities of each approach, so as to make clear what steps we, as a community, need to take to improve upon the standard of evidence for the nature of DM.  We especially welcome new or novel approaches for placing DM – whatever its hypothesised nature (e.g., warm instead of cold, invisible baryons) or properties (e.g., self-interacting) – under the gravitational lens.  We also plan a special session to address what constraints gravitational lensing of gravitational waves, independent of or in addition to gravitational lensing of electromagnetic waves, may provide on the nature of Dark Matter.

 

Confirmed Speakers

Plenary Speakers - Preliminary Topic

  • Elisa Ferreira - Test on Axions with Strong Gravitational Lensing
  • Frédéric Courbin - Observational Aspects of Gravitational Lensing
  • Justin Janquart - Multi-messenger aspects on Gravitational Waves in constraining DM
  • Justin Read - Massive Particle Dark Matter
  • Lam Hui - Wave Dark Matter
  • Mathilde Jauzac - Astronomical Perspectives
  • Mengjiao Xiao - Dark Matter Laboratory Experiments 
  • Patrick Kelly - Transients in Galaxy Clusters
  • Richard Massey - Theory of Gravitational Lensing
  • Simona Vegetti - Test on WIMPs with Strong Gravitational Lensing

 

Invited Speakers

  • Aristeidis Amvrosiadis
  • Amruth Alfred
  • Daniel Gilman
  • David Lagattuta
  • Derek Perera
  • Leo Wing Hong Fung
  • Joaquin Bacerra Espinoza
  • Jose Maria Palencia
  • Liang Dai
  • Marek Biesiada
  • Samuel Lange
  • Sung Kei Li

 

(All speakers in alphabetical order)

 

Organizing Committees

Scientific Organizing Committees:

  • Jeremy Lim (Chair)
  • Tom Broadhurst
  • Jose Diego
  • James Nightingale
  • Masamune Oguri
  • Liliya Williams
  • Yiming Zhong
  • Otto Hannuksela

 

Local Organizing Committees:

  • Jeremy Lim
  • Amruth Alfred
  • Alex Chow
  • Sung Kei Li
  • Otto Hannuksela
  • Yiming Zhong
  • Danlei Shen