Joel Meyers

I am a theoretical cosmologist working at the interface between theory and data. I develop techniques that maximize the scientific return from cosmological surveys, particularly of the cosmic microwave background, and I work out what the resulting measurements imply for fundamental physics, from the properties of neutrinos and the dark sector to the physics of the early universe and gravitational waves.

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Research

Constraints on the sum of neutrino masses from DESI BAO and clustering

Neutrinos and the Dark Sector

Neutrino mass, light relics, big bang nucleosynthesis, and the dark sector.

Figure of merit for CMB surveys with and without delensing

Enhancing the Value of CMB Surveys

Delensing, new probes of cosmic structure, and machine learning tools.

Fourier transform of a time series of CMB maps, with the echo of a gravitational-wave deflection in one frequency slice (Leluc et al. 2025)

Gravitational Waves Across Frequencies

Primordial B modes, pulsar timing arrays, and new searches with the CMB and lensed fast radio bursts.

Group

Current students and postdocs, and where former members are now. Meet the group