Dark matter accounts for most of the mass in the observed universe: what is it, and how does it interact with our kind of matter? Does the Standard Model of particle physics descend from a more fundamental theory, and are there dynamical explanations for the values of its parameters? And why, given the close symmetry between matter and antimatter in the Standard Model, did the universe become dominated by matter in its first moments? My current research is focused on accelerating the search for dark matter in Earth-bound laboratories, using molecular crystals to test whether the dark matter interacts with electrons, neutrons or protons.
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Publications
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Carlos Blanco,
J. Collar,
Yonatan Kahn,
Benjamin Lillard,
"Dark Matter-Electron Scattering from Aromatic Organic Targets." Phys. Rev. D 101 5 (2020)
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Carlos Blanco,
Yonatan Kahn,
Benjamin Lillard,
Samuel McDermott,
"Dark Matter Daily Modulation With Anisotropic Organic Crystals." Phys. Rev. D 104 (2021)
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Carlos Blanco,
Ian Harris,
Yonatan Kahn,
Benjamin Lillard,
Jesús Pérez-Ríos,
"Molecular Migdal effect." Phys. Rev. D 106 11 (2022)
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Patrick Draper,
Benjamin Lillard,
Carissa Skye,
"Neutralizing topological obstructions to bubbles of nothing." JHEP 10 (2023)
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Nicolas Fernandez,
Joshua Foster,
Benjamin Lillard,
Jessie Shelton,
"Stochastic Gravitational Waves from Early Structure Formation." Phys. Rev. Lett. 133 11 (2024)
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Benjamin Lillard,
Tim Tait,
"A High Quality Composite Axion." JHEP 11 (2018)
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Benjamin Lillard,
"Confinement on the moose lattice." JHEP 11 (2022)
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Benjamin Lillard,
"Wavelet-harmonic integration methods." Phys. Rev. D 111 12 (2025)
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Benjamin Lillard,
"Partial Rate Matrix for Dark Matter Scattering." Phys. Rev. Lett. 134 22 (2025)