2026 Abraham Loeb: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	143	368	353	209	200	1039	72393

Abraham Loeb publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Abraham Loeb sits on this spectrum.

103 publications 1,469+

This scientist: 1,039 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Abraham Loeb D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Abraham Loeb sits on this spectrum.

70 D-Index 185+

This scientist: 143 D-Index — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

Research.com Recognitions

2015 - Fellow of American Physical Society (APS) Citation For seminal contributions to several challenging problems in theoretical astrophysics ranging from the emergence of structure formation at the earliest epochs, to the physics of the epoch of reionization, to the use of gammaray bursts as cosmic probes, to the use of microlensing to detect planets
2012 - Fellow of the American Academy of Arts and Sciences
2002 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Abraham Loeb is affiliated with Harvard University in the United States and has contributed extensively to the field of Physics and Astronomy, with a total of 622 publications. Their research encompasses various subfields including Astronomy and Astrophysics, Nuclear and High Energy Physics, Instrumentation, Aerospace Engineering, and Atomic and Molecular Physics, and Optics.

The scientist's work covers a wide range of topics, notably:

Astro and Planetary Science
Stellar, planetary, and galactic studies
Cosmology and Gravitation Theories
Gamma-ray bursts and supernovae
Astrophysical Phenomena and Observations
Galaxies: Formation, Evolution, Phenomena
Pulsars and Gravitational Waves Research

Several papers authored in recent years reflect the scope of research activity. Notable recent publications include:

"Eppur è piatto? The Cosmic Chronometers Take on Spatial Curvature and Cosmic Concordance," 2021, The Astrophysical Journal
"Implications for the Hubble tension from the ages of the oldest astrophysical objects," 2022, Journal of High Energy Astrophysics
"Explosions Driven by the Coalescence of a Compact Object with the Core of a Massive-star Companion inside a Common Envelope: Circumstellar Properties, Light Curves, and Population Statistics," 2020, The Astrophysical Journal
"A small and round heliosphere suggested by magnetohydrodynamic modelling of pick-up ions," 2020, Nature Astronomy
"Merging Black Holes in the Low-mass and High-mass Gaps from 2 + 2 Quadruple Systems," 2020, The Astrophysical Journal Letters

Frequent collaborators contribute to a broad research network, including:

Amir Siraj
Morgan MacLeod
Hamsa Padmanabhan
Fabio Pacucci
Manasvi Lingam

Publications have appeared frequently in venues such as:

arXiv (Cornell University)
Research Notes of the AAS
The Astrophysical Journal Letters
Monthly Notices of the Royal Astronomical Society
The Astrophysical Journal

Regarding book publications, the scientist authored "Life in the Cosmos," published by Harvard University Press in 2021.

Abraham Loeb has received several awards, including:

Fellow of the American Physical Society (APS), 2015, for contributions to theoretical astrophysics covering topics such as structure formation, epoch of reionization, gamma-ray bursts, and microlensing detection of planets
Fellow of the American Academy of Arts and Sciences, 2012
Fellow of John Simon Guggenheim Memorial Foundation, 2002

Best Publications

In the Beginning: The First Sources of Light and the Reionization of the Universe

Rennan Barkana;Abraham Loeb

1740
Citations
Generation of Magnetic Fields in the Relativistic Shock of Gamma-Ray Burst Sources

Mikhail V. Medvedev;Mikhail V. Medvedev;Abraham Loeb

993
Citations
Formation of the First Supermassive Black Holes

Volker Bromm;Abraham Loeb;Abraham Loeb

897
Citations
Constraining Cosmological Parameters Based on Relative Galaxy Ages

Raul Jimenez;Abraham Loeb

892
Citations
Theory of Ionic Ordering, Crystal Distortion, and Magnetic Exchange Due to Covalent Forces in Spinels

John B Goodenough;A. L. Loeb

848
Citations
Element Diffusion in the Solar Interior

Anne A. Thoul;John N. Bahcall;Abraham Loeb

816
Citations
21-cm cosmology

Jonathan R. Pritchard;Abraham Loeb

814
Citations
Discovering Planetary Systems through Gravitational Microlenses

Andrew Gould;Abraham Loeb

746
Citations
21 cm cosmology in the 21st century

Jonathan R Pritchard;Abraham Loeb

718
Citations
Subhaloes in self-interacting galactic dark matter haloes

Mark Vogelsberger;Jesus Zavala;Jesus Zavala;Abraham Loeb

641
Citations
Generic Spectrum and Ionization Efficiency of a Heavy Initial Mass Function for the First Stars

Volker Bromm;Rolf P. Kudritzki;Abraham Loeb

555
Citations
Self-regulated Growth of Supermassive Black Holes in Galaxies as the Origin of the Optical and X-Ray Luminosity Functions of Quasars

J. Stuart B. Wyithe;Abraham Loeb;Abraham Loeb

553
Citations
The formation of the first low-mass stars from gas with low carbon and oxygen abundances.

Volker Bromm;Abraham Loeb

521
Citations
Destruction of Molecular Hydrogen during Cosmological Reionization

Zoltán Haiman;Martin J. Rees;Abraham Loeb

517
Citations
Gravitational waves from scattering of stellar-mass black holes in galactic nuclei

Ryan M. O'Leary;Bence Kocsis;Bence Kocsis;Abraham Loeb

510
Citations
Jet-Launching Structure Resolved Near the Supermassive Black Hole in M87

Sheperd S. Doeleman;Sheperd S. Doeleman;Vincent L. Fish;David E. Schenck;David E. Schenck;Christopher Beaudoin

491
Citations
Cosmological Formation of Low-Mass Objects

Zoltan Haiman;Anne A. Thoul;Abraham Loeb

474
Citations
The Reionization of the Universe by the First Stars and Quasars

Abraham Loeb;Rennan Barkana

474
Citations
Birth of a relativistic outflow in the unusual γ-ray transient Swift J164449.3+573451

Bevin Ashley Zauderer;Edo Berger;Alicia M. Soderberg;Abraham Loeb

473
Citations
Collapse of primordial gas clouds and the formation of quasar black holes

Abraham Loeb;Frederic A. Rasio

470
Citations