SG
Samuel E. Gralla
gr-qcastro-ph.HEhep-thastro-ph.IMphysics.plasm-phastro-ph.COastro-ph.GAphysics.class-phcond-mat.otherhep-ph
On Valency
published · living versionsW_zj5juagt·v1 · currentpublished
The Black Hole Explorer: Motivation and Vision
with Michael D. Johnson, Kazunori Akiyama, Rebecca Baturin, Bryan Bilyeu +63
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Preprints & journals
57 papers in the corpus · 2008–2026Bosonization for the Schwinger effect at small fermion mass: analytic formula for the 1+1D current in an arbitrary time-dependent, inhomogeneous electric field2610.24272v1 · Samuel E. Gralla, Morifumi Mizuno2026 · 0 citationsarXiv
Amplification of metric perturbations by extremal horizons2608.23878v1 · Samuel E. Gralla, Sepehr Salamat2026 · 0 citationsarXiv
Schwinger effect with backreaction in 1+1D massive QED with a strong external field2511.23464v2 · Samuel E. Gralla, Morifumi Mizuno2025 · 0 citationsPhys. Rev. D 113, 085007 (2026)
Plasma flow in force-free magnetospheres: two-fluid model near pulsars and black holes2511.02057v1 · Morifumi Mizuno, Samuel E. Gralla, Alexander Philippov2025 · 1 citationarXiv
Can black holes evaporate past extremality?2510.18839v2 · Samuel E. Gralla2025 · 1 citationarXiv
The Black Hole Explorer: Photon Ring Science, Detection and Shape Measurement2406.09498v1 · Alexandru Lupsasca, Alejandro C'ardenas-Avendano, Daniel C. M. Palumbo et al.2024 · 40 citationsProceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 130926Q (2024)on Valency
The Black Hole Explorer: Motivation and Vision2406.12917v1 · Michael D. Johnson, Kazunori Akiyama, Rebecca Baturin et al.2024 · 91 citationsProceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 130922D (2024)on Valency
Frames and Slicings for Angular Momentum in Post-Minkowski Scattering2406.02815v1 · Samuel E. Gralla, Kunal Lobo, Hongji Wei2024 · 3 citationsPhys. Rev. D 111, 044004 (2025)
Probing and resolving AGN disks with ultrafast photon counters2403.15903v1 · Neal Dalal, Marios Galanis, Charles Gammie et al.2024 · 6 citationsPhysical Review D, 109, 123029 (2024)
Decoherence from Horizons: General Formulation and Rotating Black Holes2311.11461v2 · Samuel E. Gralla, Hongji Wei2023 · 21 citationsarXiv
Dynamics of ultrarelativistic charged particles with strong radiation reaction. II. Entry into Aristotelian equilibrium2309.00260v1 · Yangyang Cai, Samuel E. Gralla, Vasileios Paschalidis2023 · 4 citationsarXiv
An asymptotic framework for gravitational scattering2303.17124v3 · Geoffrey Compere, Samuel E. Gralla, Hongji Wei2023 · 44 citationsarXiv
Dynamics of ultrarelativistic charged particles with strong radiation reaction. I. Aristotelian equilibrium state2209.07469v2 · Yangyang Cai, Samuel E. Gralla, Vasileios Paschalidis2022 · 9 citationsarXiv
How narrow is the M87* ring? II. A new geometric model2208.09989v1 · Will Lockhart, Samuel E. Gralla2022 · 35 citationsarXiv
Images and photon ring signatures of thick disks around black holes2206.12066v2 · Frederic H. Vincent, Samuel E. Gralla, Alexandru Lupsasca et al.2022 · 97 citationsarXivon Valency
Electromagnetic Scoot2112.01729v2 · Samuel E. Gralla, Kunal Lobo2021 · 14 citationsarXiv
Self-force effects in post-Minkowskian scattering2110.08681v2 · Samuel E. Gralla, Kunal Lobo2021 · 48 citationsarXiv
How narrow is the M87* ring? I. The choice of closure likelihood function2107.06948v2 · Will Lockhart, Samuel E. Gralla2021 · 25 citations2022MNRAS.509.3643L
Can the EHT M87 results be used to test general relativity?2010.08557v1 · Samuel E. Gralla2020 · 109 citationsPhys. Rev. D 103, 024023 (2021)
The Shape of the Black Hole Photon Ring: A Precise Test of Strong-Field General Relativity2008.03879v2 · Samuel E. Gralla, Alexandru Lupsasca, Daniel P. Marrone2020 · 225 citationsarXivon Valency
On the Observable Shape of Black Hole Photon Rings2007.10336v1 · Samuel E. Gralla, Alexandru Lupsasca2020 · 78 citationsarXivon Valency
Measuring the shape of a black hole photon ring2005.03856v2 · Samuel E. Gralla2020 · 40 citationsPhys. Rev. D 102, 044017 (2020)
Horizon Instability of the Extremal BTZ Black Hole1911.11164v2 · Samuel E. Gralla, Arun Ravishankar, Peter Zimmerman2019 · 5 citationsJ. High Energ. Phys. 2020, 94 (2020)
Lensing by Kerr Black Holes1910.12873v2 · Samuel E. Gralla, Alexandru Lupsasca2019 · 224 citationsPhys. Rev. D 101, 044031 (2020)on Valency
The Null Geodesics of the Kerr Exterior1910.12881v3 · Samuel E. Gralla, Alexandru Lupsasca2019 · 131 citationsPhys. Rev. D 101, 044032 (2020)on Valency
Black Hole Shadows, Photon Rings, and Lensing Rings1906.00873v2 · Samuel E. Gralla, Daniel E. Holz, Robert M. Wald2019 · 656 citationsPhys. Rev. D 100, 024018 (2019)
X-ray Lightcurves from Realistic Polar Cap Models: Inclined Pulsar Magnetospheres and Multipole Fields1904.11534v2 · Will Lockhart, Samuel E. Gralla, Feryal Ozel et al.2019 · 40 citationsarXiv
Effective Field Theory of Force-Free Electrodynamics1811.07438v2 · Samuel E. Gralla, Nabil Iqbal2018 · 23 citationsPhys. Rev. D 99, 105004 (2019)
Critical Exponents of Extremal Kerr Perturbations1711.00855v3 · Samuel E. Gralla, Peter Zimmerman2017 · 34 citationsClassical and Quantum Gravity, Volume 35 (2018), Number 9
On the Ambiguity in Relativistic Tidal Deformability1710.11096v3 · Samuel E. Gralla2017 · 70 citationsarXiv
Observational Signature of High Spin at the Event Horizon Telescope1710.11112v2 · Samuel E. Gralla, Alexandru Lupsasca, Andrew Strominger2017 · 92 citationsMon. Notices Royal Astron. Soc. 475 (3), 3829-3853 (2018)on Valency
Inclined Pulsar Magnetospheres in General Relativity: Polar Caps for the Dipole, Quadrudipole and Beyond1704.05062v2 · Samuel E. Gralla, Alexandru Lupsasca, Alexander Philippov2017 · 63 citationsAstrophys. J 851, 137 (2017)on Valency
Transient Instability of Rapidly Rotating Black Holes1608.04739v2 · Samuel E. Gralla, Aaron Zimmerman, Peter Zimmerman2016 · 46 citationsPhys. Rev. D 94, 084017 (2016)
Horizon Instability of Extremal Kerr Black Holes: Nonaxisymmetric Modes and Enhanced Growth Rate1606.08505v3 · Marc Casals, Samuel E. Gralla, Peter Zimmerman2016 · 60 citationsPhys. Rev. D 94, 064003 (2016)
Force-Free Foliations1606.06727v2 · Geoffrey Compere, Samuel E. Gralla, Alexandru Lupsasca2016 · 19 citationsPhys. Rev. D 94, 124012 (2016)on Valency
Pulsar Magnetospheres: Beyond the Flat Spacetime Dipole1604.04625v3 · Samuel E. Gralla, Alexandru Lupsasca, Alexander Philippov2016 · 47 citationsAstrophys. J 833, 258 (2016)on Valency
Plasma Waves and Jets from Moving Conductors1603.09693v2 · Samuel E. Gralla, Peter Zimmerman2016 · 5 citationsPhys. Rev. D 93, 123016 (2016)
Inspiral into Gargantua1603.01221v2 · Samuel E. Gralla, Scott A. Hughes, Niels Warburton2016 · 52 citationsClass. Quant. Grav. 33 155002 (2016)
Near-horizon Kerr Magnetosphere1602.01833v2 · Samuel E. Gralla, Alexandru Lupsasca, Andrew Strominger2016 · 39 citationsPhys. Rev. D 93, 104041 (2016)on Valency
Particle on the Innermost Stable Circular Orbit of a Rapidly Spinning Black Hole1506.08496v2 · Samuel E. Gralla, Achilleas P. Porfyriadis, Niels Warburton2015 · 69 citationsPhys. Rev. D 92, 064029 (2015)
Note on Bunching of Field Lines in Black Hole Magnetospheres1504.02112v2 · Samuel E. Gralla, Alexandru Lupsasca, Maria J. Rodriguez2015 · 14 citationsPhys. Rev. D 92, 044053 (2015)on Valency
Electromagnetic Jets from Stars and Black Holes1504.02113v2 · Samuel E. Gralla, Alexandru Lupsasca, Maria J. Rodriguez2015 · 32 citationsPhys. Rev. D 93, 044038 (2016)on Valency
Nonaxisymmetric Poynting Jets1503.03848v2 · Samuel E. Gralla, Ted Jacobson2015 · 10 citationsPhys. Rev. D 92, 043002 (2015)
QED Plasma and Magnetars1503.03867v2 · Marat Freytsis, Samuel E. Gralla2015 · 9 citationsarXiv
Spacetime approach to force-free magnetospheres1401.6159v4 · Samuel E. Gralla, Ted Jacobson2014 · 154 citationsarXiv
On the Magnetosphere of an Accelerated Pulsar1311.0752v2 · T. Daniel Brennan, Samuel E. Gralla2013 · 19 citationsarXiv
Exact Solutions to Force-Free Electrodynamics in Black Hole Backgrounds1305.6890v3 · T. Daniel Brennan, Samuel E. Gralla, Ted Jacobson2013 · 67 citationsClass. Quantum Grav. 30 195012 (2013)
Mass, Charge and Motion in Covariant Gravity Theories1303.0269v2 · Samuel E Gralla2013 · 28 citationsarXiv
Thermodynamics of a Black Hole with Moon1210.8444v3 · Samuel E. Gralla, Alexandre Le Tiec2012 · 19 citationsPhys.Rev.D88:044021,2013
Second Order Gravitational Self-Force1203.3189v2 · Samuel E. Gralla2012 · 107 citationsPhys. Rev. D 85, 124011 (2012)
Career total: 82 works. 57 are in this corpus.Showing the 50 most recent.
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