science

Compact objects,
violent mergers,
what survives.

My research background is in numerical relativity and black hole-neutron star mergers. I have studied tidal disruption, gravitational waveforms, ejecta composition, and the formation of low-mass accretion disks after merger.

Density evolution of a disrupting black hole-neutron star merger.
Density evolution of a disrupting black hole-neutron star merger.

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Black hole-neutron star mergers

Black hole-neutron star systems are useful laboratories for studying strong-field gravity, neutron-star matter, and the conditions under which compact-object mergers may produce observable electromagnetic counterparts.

My work has focused especially on systems near the neutron-star disruption threshold, where relatively small changes in binary parameters can strongly affect how much matter remains outside the black hole and what that matter looks like.

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What I have worked on

Tidal disruption

When, and under what conditions, a neutron star is disrupted before plunging into the black hole.

Gravitational waveforms

Numerical waveforms from black hole-neutron star systems and their use in comparisons with analytical and semi-analytical waveform models.

Ejecta & composition

The amount, geometry, and electron fraction of matter dynamically ejected during merger, including implications for r-process nucleosynthesis and electromagnetic counterparts.

Post-merger matter

Low-mass accretion disks and bound material remaining outside the black hole after merger.

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Current interests

I remain interested in compact-object mergers, multimessenger astrophysics, r-process source populations, and the connection between merger outflows and observable transients.

I am also interested in building computational projects that are suitable for undergraduate participation and can grow alongside my teaching work.

For what it is I am currently working on, you will have to reach out. :-)