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I am assistant professor of physics and core faculty in the theoretical astrophysics program at the University of Arizona. I am interested in the physics of strong gravitational and electromagnetic fields, as well as the associated astrophysics of black holes and neutron stars. A more detailed description can be found on my research page.Show Less
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Courses
- MTPMathematical Techniques in Physics
- IGRIntroduction to General Relativity
- AMAnalytical Mechanics
- EMIElectricity and Magnetism I
Grants
- CAREER: Strong Gravitational and Electromagnetic Fields
Principal Investigator (PI)
2018
$480.0K
Active - Strong Gravitational and Electromagnetic Fields
Principal Investigator (PI)
2015
$150.0K
News
- UA Science Lecture Series on 'Rethinking Reality'
2017
Publications (46)
Recent
- Can the EHT M87 results be used to test general relativity?
2021
- Observable shape of black hole photon rings
2020
- Measuring the shape of a black hole photon ring
2020
- Horizon instability of the extremal BTZ black hole
2020
- Consistent Blandford-Znajek expansion
2020
- Lensing by Kerr black holes
2020
- The shape of the black hole photon ring: A precise test of strong-field general relativity
2020
- Null geodesics of the Kerr exterior
2020
- Bosonization of strong-field pair plasma
2019
- X-ray light curves from realistic polar cap models: inclined pulsar magnetospheres and multipole fields
2019
- Effective field theory of force-free electrodynamics
2019
- Black hole shadows, photon rings, and lensing rings
2019
- Scaling and university in extremal black hole perturbaions
2018
- On the ambiguity in relativistic tidal deformability
2018
- Observational signature of high spin at the Event Horizon Telescope
2018
- Critical exponents of extremal Kerr perturbations
2018
- Semi-local quantum criticality and the instability of extremal planar horizons
2018
- Inclined Pulsar Magnetospheres in General Relativity: Polar Caps for the Dipole, Quadrudipole, and Beyond
2017
- Force-free foliations
2016
- Electromagnetic jets from stars and black holes
2016
- QED plasma and magnetars
2016
- Transient instability of rapidly rotating black holes
2016
- Inspiral into Gargantua
2016
- PULSAR MAGNETOSPHERES: BEYOND THE FLAT SPACETIME DIPOLE
2016
- Plasma waves and jets from moving conductors
2016
- Near-horizon Kerr magnetosphere
2016
- Horizon instability of extremal Kerr black holes: Nonaxisymmetric modes and enhanced growth rate
2016
- Note on bunching of field lines in black hole magnetospheres (vol 92, 044053, 2015)
2015
- Note on bunching of field lines in black hole magnetospheres
2015
- Nonaxisymmetric Poynting jets
2015
- Particle on the innermost stable circular orbit of a rapidly spinning black hole
2015
- Spacetime approach to force-free magnetospheres
2014
- On the magnetosphere of an accelerated pulsar
2014
- Hidden momentum and black hole kicks
2013
- Thermodynamics of a black hole with moon
2013
- Exact solutions to force-free electrodynamics in black hole backgrounds
2013
- Mass, charge, and motion in covariant gravity theories
2013
- Second-order gravitational self-force
2012
- A note on the coordinate freedom in describing the motion of particles in general relativity
2011
- Derivation of Gravitational Self-Force
2011
- Gauge and averaging in gravitational self-force
2011
- Dependence of self-force on central object
2011
- Motion of small bodies in classical field theory
2010
- Bobbing and kicks in electromagnetism and gravity
2010
- Rigorous derivation of electromagnetic self-force
2009
- A rigorous derivation of gravitational self-force
2008