Most-cited Physics and Astronomy papers of 2019, with free PDFs

The 25 most-cited Physics and Astronomy research papers published in 2019, ranked by citations in OpenAlex, with their original abstracts and free PDFs where available.

1. Double-slit photoelectron interference in strong-field ionization of the neon dimer
   M. Kunitski, Nicolas Eicke et al. · 2019 · 8,194 citations
2. From Louvain to Leiden: guaranteeing well-connected communities
   V. A. Traag, L. Waltman et al. · 2019 · 5,602 citations · Free PDF
3. GFN2-xTB─An Accurate and Broadly Parametrized Self-Consistent Tight-Binding Quantum Chemical Method with Multipole Electrostatics and Density-Dependent Dispersion Contributions
   Christoph Bannwarth, Sebastian Ehlert et al. · 2019 · 4,432 citations
4. First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
   Kazunori Akiyama, Antonio José Alberdi et al. · 2019 · 4,206 citations · Free PDF
5. Topological photonics
   Tomoki Ozawa, Hannah M. Price et al. · 2019 · 3,672 citations · Free PDF
6. LSST: From Science Drivers to Reference Design and Anticipated Data Products
   Željko Ivezić, Steven M. Kahn et al. · 2019 · 3,556 citations · Free PDF
7. GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs
   B. P. Abbott, R. Abbott et al. · 2019 · 3,531 citations · Free PDF
8. Machine Learning for Fluid Mechanics
   Steven L. Brunton, Bernd R. Noack et al. · 2019 · 2,887 citations · Free PDF
9. Planck 2018 results
   Y. Akrami, Frederico Arroja et al. · 2019 · 2,423 citations · Free PDF
10. New Basis Set Exchange: An Open, Up-to-Date Resource for the Molecular Sciences Community
    Benjamin P. Pritchard, Doaa Altarawy et al. · 2019 · 2,339 citations
11. Optical vortices 30 years on: OAM manipulation from topological charge to multiple singularities
    Yijie Shen, Xuejiao Wang et al. · 2019 · 2,286 citations · Free PDF
12. Exceptional points in optics and photonics
    Mohammad‐Ali Miri, Andrea Alù · 2019 · 2,222 citations
13. Large Magellanic Cloud Cepheid Standards Provide a 1% Foundation for the Determination of the Hubble Constant and Stronger Evidence for Physics beyond ΛCDM
    Adam G. Riess, Stefano Casertano et al. · 2019 · 1,992 citations · Free PDF
14. A generally applicable atomic-charge dependent London dispersion correction
    Eike Caldeweyher, Sebastian Ehlert et al. · 2019 · 1,943 citations
15. QuantumATK: an integrated platform of electronic and atomic-scale modelling tools
    Søren Smidstrup, Troels Markussen et al. · 2019 · 1,934 citations · Free PDF
16. Overview of the DESI Legacy Imaging Surveys
    Arjun Dey, David J. Schlegel et al. · 2019 · 1,865 citations · Free PDF
17. Wannier90 as a community code: new features and applications
    Giovanni Pizzi, Valerio Vitale et al. · 2019 · 1,841 citations · Free PDF
18. Colloquium : Many-body localization, thermalization, and entanglement
    Dmitry A. Abanin, Ehud Altman et al. · 2019 · 1,828 citations · Free PDF
19. PSR J0030+0451 Mass and Radius from NICER Data and Implications for the Properties of Neutron Star Matter
    M. C. Miller, F. K. Lamb et al. · 2019 · 1,796 citations · Free PDF
20. Modules for Experiments in Stellar Astrophysics (MESA): Pulsating Variable Stars, Rotation, Convective Boundaries, and Energy Conservation
    Bill Paxton, R. Smolec et al. · 2019 · 1,781 citations · Free PDF
21. Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems
    Aurélien Manchon, Jakub Železný et al. · 2019 · 1,713 citations · Free PDF
22. Planck 2018 results
    N. Aghanim, Y. Akrami et al. · 2019 · 1,644 citations · Free PDF
23. A NICER View of PSR J0030+0451: Millisecond Pulsar Parameter Estimation
    T. E. Riley, A. L. Watts et al. · 2019 · 1,632 citations · Free PDF
24. First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole
    Kazunori Akiyama, Antonio José Alberdi et al. · 2019 · 1,630 citations · Free PDF
25. The Simons Observatory: science goals and forecasts
    Peter A. R. Ade, James Aguirre et al. · 2019 · 1,527 citations · Free PDF

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