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Addressing Tensions in ΛCDM Cosmology by an Increase in the Optical Depth to Reionization

Joint first-author Phys. Rev. Lett. arguing that an upward shift in τ can absorb the DESI BAO vs CMB tension without new physics.

The Atacama Cosmology Telescope: Multi-probe cosmology with unWISE galaxies and ACT DR6 CMB lensing

Multi-probe extension of the unWISE × ACT DR6 lensing pipeline; joint fit of auto- and cross-spectra.

Detection of the CMB lensing – galaxy bispectrum

First detection of the CMB lensing–galaxy bispectrum. Submitted to PRL.

Determining the Hubble constant without the sound horizon: Perspectives with future galaxy surveys

A novel route to H₀ via the matter–radiation equality scale, bypassing the sound horizon.