Most-cited Physics and Astronomy papers of 2021, with free PDFs
The 25 most-cited Physics and Astronomy research papers published in 2021, ranked by citations in OpenAlex, with their original abstracts and free PDFs where available.
- Efficient evaluation of electrostatic potential with computerized optimized code
Jun Zhang, Tian Lu · 2021 · 2,667 citations - DeepXDE: A Deep Learning Library for Solving Differential Equations
Lu Lu, Xuhui Meng et al. · 2021 · 2,540 citations · Free PDF - GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo during the First Half of the Third Observing Run
R. Abbott, T. D. Abbott et al. · 2021 · 2,246 citations · Free PDF - Understanding and Mitigating Gradient Flow Pathologies in Physics-Informed Neural Networks
Sifan Wang, Yujun Teng et al. · 2021 · 2,055 citations - Interaction Region Indicator: A Simple Real Space Function Clearly Revealing Both Chemical Bonds and Weak Interactions**
Tian Lu, Qinxue Chen · 2021 · 2,039 citations - OPLS4: Improving Force Field Accuracy on Challenging Regimes of Chemical Space
Chao Tsang Lu, Chuanjie Wu et al. · 2021 · 2,016 citations - Estimating Distances from Parallaxes. V. Geometric and Photogeometric Distances to 1.47 Billion Stars in Gaia Early Data Release 3
C. A. L. Bailer-Jones, J. Rybizki et al. · 2021 · 1,995 citations · Free PDF - In the realm of the Hubble tension—a review of solutions *
Eleonora Di Valentino, Olga Mena et al. · 2021 · 1,978 citations · Free PDF - Planck 2018 results
N. Aghanim, Y. Akrami et al. · 2021 · 1,853 citations - Exceptional topology of non-Hermitian systems
Emil J. Bergholtz, Jan Carl Budich et al. · 2021 · 1,719 citations · Free PDF - Integrated photonics on thin-film lithium niobate
Di Zhu, Linbo Shao et al. · 2021 · 1,484 citations · Free PDF - Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Cosmological implications from two decades of spectroscopic surveys at the Apache Point Observatory
Shadab Alam, Marie Pierre Aubert et al. · 2021 · 1,340 citations · Free PDF - Physics-Informed Neural Networks for Heat Transfer Problems
Shengze Cai, Zhicheng Wang et al. · 2021 · 1,323 citations - Software for the frontiers of quantum chemistry: An overview of developments in the Q-Chem 5 package
Evgeny Epifanovsky, Andrew T. B. Gilbert et al. · 2021 · 1,323 citations · Free PDF - The Radius of PSR J0740+6620 from NICER and XMM-Newton Data
M. Coleman Miller, Frederick K. Lamb et al. · 2021 · 1,316 citations · Free PDF - A NICER View of the Massive Pulsar PSR J0740+6620 Informed by Radio Timing and XMM-Newton Spectroscopy
Thomas E. Riley, Anna L. Watts et al. · 2021 · 1,275 citations · Free PDF - r2SCAN-3c: A “Swiss army knife” composite electronic-structure method
Stefan Grimme, Andreas Hansen et al. · 2021 · 1,109 citations - Constraints on primordial black holes
B. J. Carr, Kazunori Kohri et al. · 2021 · 1,107 citations · Free PDF - X-ray computed tomography
Philip John Withers, Charles A. Bouman et al. · 2021 · 1,089 citations · Free PDF - Machine learning–accelerated computational fluid dynamics
Dmitrii Kochkov, Jamie Smith et al. · 2021 · 1,046 citations · Free PDF - Improved Constraints on Primordial Gravitational Waves using Planck , WMAP, and BICEP/ Keck Observations through the 2018 Observing Season
Peter A. R. Ade, Z. Ahmed et al. · 2021 · 976 citations · Free PDF - Refined Mass and Geometric Measurements of the High-mass PSR J0740+6620
E. Fonseca, H. T. Cromartie et al. · 2021 · 951 citations · Free PDF - Magnetically Driven Micro and Nanorobots
Huaijuan Zhou, Carmen C. Mayorga‐Martinez et al. · 2021 · 891 citations - Metal Halide Perovskites for X-ray Imaging Scintillators and Detectors
Yang Zhou, Jie Chen et al. · 2021 · 889 citations - Population Properties of Compact Objects from the Second LIGO–Virgo Gravitational-Wave Transient Catalog
R. Abbott, T. D. Abbott et al. · 2021 · 889 citations · Free PDF
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