Simon Fraser University
SFU Cosmology Seminars

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Tuesday, 6 October 2026, 11:30 in P8445B

Prof. Xinyu Li (Tsinghua)

Cosmology with Fuzzy Dark Matter model

Fuzzy Dark Matter (FDM) is made up of ultralight bosons with mass around ~1e-22eV. It is proposed to solve the small scale problems of the cold dark matter while mimicking the CDM on the large scale. The dynamics of FDM is governed by the Schrödinger-Poisson equation. The wave nature of FDM exhibits novel phenomena including density fluctuations, formation of vortices and filaments, and oscillation of the soliton core at the halo centre. They can be used to observationally probe and constrain the FDM model through gravitational lensing and stellar dynamics.

Zoom: Zoom

Upcoming Seminars:

2026-10-19 14:30 in P8445B - Andrew Long (Rice): Looking through loops: CMB birefringence from axion strings

Past Seminars:

2026-10-06 11:30 in P8445B - Xinyu Li (Tsinghua): Cosmology with Fuzzy Dark Matter model
2026-09-28 14:30 in P8445B - William Luszczak (SFU): Atmospheric muon observations near the base of a forming tornado

[ See complete seminar archives | iCal feed ]


Modified by Andrei Frolov <frolov@sfu.ca> on 2026-10-13