2026 Francesco Haardt: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	77	3216	3058	171	168	236	26772

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

3216

3058

171

168

236

26772

Overview

Francesco Haardt is affiliated with the University of Insubria in Italy and has conducted extensive research primarily within the field of Physics and Astronomy. Their work encompasses a total of 144 publications in this main field, with a focus on several specific subfields including Astronomy and Astrophysics, Nuclear and High Energy Physics, Instrumentation, Statistical and Nonlinear Physics, and General Health Professions.

Their research spans a variety of topics related to astrophysics and cosmic phenomena. Key areas include:

Astrophysical Phenomena and Observations
Galaxies: Formation, Evolution, Phenomena
Pulsars and Gravitational Waves Research
Stellar, planetary, and galactic studies
Astro and Planetary Science
Astrophysics and Star Formation Studies
Astrophysics and Cosmic Phenomena

Haardt's frequent co-authors include Riccardo Spinelli, Massimo Dotti, Andrea Caldiroli, Elena Gallo, and F. Borsa, each contributing to multiple collaborative works.

The researcher has published extensively in several scientific venues, including:

arXiv (Cornell University)
Monthly Notices of the Royal Astronomical Society
Astronomy and Astrophysics
The Astrophysical Journal
Physical Review D

Recent publications by Haardt include the following works:

"Binary black holes in the pair instability mass gap," 2020, Monthly Notices of the Royal Astronomical Society
"Binary black holes in young star clusters: the impact of metallicity," 2020, Monthly Notices of the Royal Astronomical Society
"Intermediate-mass black holes from stellar mergers in young star clusters," 2021, Monthly Notices of the Royal Astronomical Society
"The Evolution of the Lyman-alpha Luminosity Function during Reionization," 2021, IrInSubria (University of Insubria)
"Irradiation-driven escape of primordial planetary atmospheres," 2022, Astronomy and Astrophysics

Best Publications

Radiative Transfer in a Clumpy Universe: II. The Utraviolet Extragalactic Background

Francesco Haardt;Piero Madau

2368
Citations
Radiative Transfer in a Clumpy Universe. II. The Ultraviolet Extragalactic Background

Francesco Haardt;Piero Madau

2051
Citations
A two-phase model for the X-ray emission from Seyfert galaxies

F. Haardt;L. Maraschi

1275
Citations
X-Ray Spectra from Two-Phase Accretion Disks

Francesco Haardt;Laura Maraschi

1081
Citations
The Assembly and Merging History of Supermassive Black Holes in Hierarchical Models of Galaxy Formation

Marta Volonteri;Francesco Haardt;Piero Madau

1069
Citations
Radiative Transfer in a Clumpy Universe. IV. New Synthesis Models of the Cosmic UV/X-Ray Background

Francesco Haardt;Piero Madau

990
Citations
Radiative Transfer in a Clumpy Universe. III. The Nature of Cosmological Ionizing Sources

Piero Madau;Francesco Haardt;Martin J. Rees

905
Citations
Black holes, gravitational waves and fundamental physics: a roadmap

Leor Barack;Vitor Cardoso;Vitor Cardoso;Samaya Nissanke;Samaya Nissanke;Samaya Nissanke;Thomas P. Sotiriou

794
Citations
The Contribution of the obscuring torus to the x-ray spectrum of Seyfert galaxies: A Test for the unification model

Gabriele Ghisellini;Francesco Haardt;Giorgio Matt

543
Citations
A Model for the X-Ray and Ultraviolet Emission from Seyfert Galaxies and Galactic Black Holes

Francesco Haardt;Laura Maraschi;Gabriele Ghisellini

522
Citations
A Model for the X-Ray and UV Emission from Seyfert Galaxies and Galactic Black Holes

Francesco Haardt;Laura Maraschi;Gabriele Ghisellini

504
Citations
Cosmic Reionization after Planck: Could Quasars Do It All?

Piero Madau;Francesco Haardt

434
Citations
Early reionization by miniquasars

Piero Madau;Martin J. Rees;Marta Volonteri;Francesco Haardt

398
Citations
Early reionization by miniquasars

P. Madau;P. Madau;M. J. Rees;M. Volonteri;F. Haardt

355
Citations
Simultaneous X-ray and 7-ray observations of Cyg X-1 in the hard state by Ginga and OSSE

Marek Gierliński;Andrzej A. Zdziarski;Chris Done;W. Neil Johnson

354
Citations
Low-Frequency Gravitational Radiation from Coalescing Massive Black Hole Binaries in Hierarchical Cosmologies

Alberto Sesana;Francesco Haardt;Piero Madau;Marta Volonteri

323
Citations
Supermassive black hole binaries in gaseous and stellar circumnuclear discs: orbital dynamics and gas accretion

M. Dotti;M. Colpi;F. Haardt;L. Mayer;L. Mayer

292
Citations
Black holes, gravitational waves and fundamental physics: a roadmap.

Leor Barack;Vitor Cardoso;Samaya Nissanke;Thomas P. Sotiriou

280
Citations
Merging black holes in young star clusters

Ugo N Di Carlo;Ugo N Di Carlo;Nicola Giacobbo;Nicola Giacobbo;Michela Mapelli;Mario Pasquato

262
Citations
GeV gamma-ray attenuation and the high-redshift UV background

Rudy C. Gilmore;Piero Madau;Joel R. Primack;Rachel S. Somerville

244
Citations