KMap
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.

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Courses
  • MTP
    Mathematical Techniques in Physics

  • IGR
    Introduction to General Relativity

  • AM
    Analytical Mechanics

  • EMI
    Electricity and Magnetism I

Grants
  • Funding agency logo
    CAREER: Strong Gravitational and Electromagnetic Fields

    Principal Investigator (PI)

    2018

    $480.0K
    Active
  • Funding agency logo
    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

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