Helvi Witek

4.7k total citations · 1 hit paper
38 papers, 2.1k citations indexed

About

Helvi Witek is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Statistical and Nonlinear Physics. According to data from OpenAlex, Helvi Witek has authored 38 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 37 papers in Astronomy and Astrophysics, 31 papers in Nuclear and High Energy Physics and 3 papers in Statistical and Nonlinear Physics. Recurrent topics in Helvi Witek's work include Pulsars and Gravitational Waves Research (30 papers), Black Holes and Theoretical Physics (28 papers) and Cosmology and Gravitation Theories (19 papers). Helvi Witek is often cited by papers focused on Pulsars and Gravitational Waves Research (30 papers), Black Holes and Theoretical Physics (28 papers) and Cosmology and Gravitation Theories (19 papers). Helvi Witek collaborates with scholars based in United States, Portugal and United Kingdom. Helvi Witek's co-authors include Vítor Cardoso, Emanuele Berti, Vilson T. Zanchin, Alex S. Miranda, Ulrich Sperhake, Thomas P. Sotiriou, Leonardo Gualtieri, Paolo Pani, Nicolás Yunes and Akihiro Ishibashi and has published in prestigious journals such as Physical Review Letters, Physical review. D and Classical and Quantum Gravity.

In The Last Decade

Helvi Witek

38 papers receiving 2.0k citations

Hit Papers

Geodesic stability, Lyapunov exponents, and quasinormal m... 2009 2026 2014 2020 2009 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Geodesic stability, Lyapunov exponents, and quasinormal modes
    2009 678 citations Vítor Cardoso, Emanuele Berti et al. Physical review. D. Particles, fields, gravitation, and cosmology profile →

Peers

Helvi Witek
Pedro V. P. Cunha Portugal
Caio F. B. Macedo Brazil
Edgardo Franzin Italy
Richard Brito Portugal
N. Sanchis-Gual Spain
K. K. Nandi India
José Luis Blázquez-Salcedo Germany
Darío Núñez Mexico
Sai Iyer India
H. Okawa Japan
Pedro V. P. Cunha Portugal
Helvi Witek
Citations per year, relative to Helvi Witek Helvi Witek (= 1×) peers Pedro V. P. Cunha

Countries citing papers authored by Helvi Witek

Since Specialization
Citations

This map shows the geographic impact of Helvi Witek's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Helvi Witek with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Helvi Witek more than expected).

Fields of papers citing papers by Helvi Witek

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Helvi Witek. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Helvi Witek. The network helps show where Helvi Witek may publish in the future.

Co-authorship network of co-authors of Helvi Witek

This figure shows the co-authorship network connecting the top 25 collaborators of Helvi Witek. A scholar is included among the top collaborators of Helvi Witek based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Helvi Witek. Helvi Witek is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Dima, Alexandru, et al.. (2025). Growing black-hole hair in nonminimally coupled biscalar gravity. Physical review. D. 111(12). 3 indexed citations
2.
Witek, Helvi, et al.. (2025). Black-hole hair from vector dark matter accretion. Physical review. D. 112(4). 2 indexed citations
3.
Witek, Helvi, et al.. (2025). Dephasing in binary black hole mergers surrounded by scalar wave dark matter clouds. Physical review. D. 113(2). 1 indexed citations
4.
Dima, Alexandru, et al.. (2023). Black holes in massive dynamical Chern-Simons gravity: Scalar hair and quasibound states at decoupling. Physical review. D. 108(4). 9 indexed citations
5.
Most, Elias R., et al.. (2023). How do axisymmetric black holes grow monopole and dipole hair?. Physical review. D. 107(10). 8 indexed citations
6.
Clough, Katy, Thomas Helfer, Helvi Witek, & Emanuele Berti. (2022). Ghost Instabilities in Self-Interacting Vector Fields: The Problem with Proca Fields. Physical Review Letters. 129(15). 151102–151102. 41 indexed citations
7.
8.
Most, Elias R., et al.. (2022). How do spherical black holes grow monopole hair?. Physical review. D. 105(6). 10 indexed citations
9.
Zhang, Jun, et al.. (2021). Square Peg in a Circular Hole: Choosing the Right Ansatz for Isolated Black Holes in Generic Gravitational Theories. Physical Review Letters. 126(24). 241104–241104. 18 indexed citations
10.
Silva, Hector O., et al.. (2021). Dynamical Descalarization in Binary Black Hole Mergers. Physical Review Letters. 127(3). 31101–31101. 76 indexed citations
11.
Most, Elias R., Steven P. Harris, Christopher Plumberg, et al.. (2021). Projecting the likely importance of weak-interaction-driven bulk viscosity in neutron star mergers. arXiv (Cornell University). 66 indexed citations
12.
Hinderer, Tanja, et al.. (2021). Post-Newtonian gravitational and scalar waves in scalar-Gauss–Bonnet gravity. Classical and Quantum Gravity. 39(3). 35002–35002. 66 indexed citations
13.
Vandoren, Stefan, et al.. (2020). Evolution of black hole shadows from superradiance. Physical review. D. 101(12). 16 indexed citations
14.
Witek, Helvi, Leonardo Gualtieri, & Paolo Pani. (2020). Towards numerical relativity in scalar Gauss-Bonnet gravity: 3+1 decomposition beyond the small-coupling limit. Physical review. D. 101(12). 32 indexed citations
15.
Brito, Richard, et al.. (2019). Axionic instabilities and new black hole solutions. Physical review. D. 99(3). 58 indexed citations
16.
Zilhão, Miguel, Marcus Ansorg, Vítor Cardoso, et al.. (2011). Higher-dimensional puncture initial data. Physical review. D. Particles, fields, gravitation, and cosmology. 84(8). 9 indexed citations
17.
Witek, Helvi, Vítor Cardoso, Leonardo Gualtieri, et al.. (2011). Numerical Relativity inDdimensional space-times: Collisions of unequal mass black holes. Journal of Physics Conference Series. 314. 12104–12104. 1 indexed citations
18.
Witek, Helvi, David Hilditch, & Ulrich Sperhake. (2011). Stability of the puncture method with a generalized Baumgarte-Shapiro-Shibata-Nakamura formulation. Physical review. D. Particles, fields, gravitation, and cosmology. 83(10). 8 indexed citations
19.
Witek, Helvi, Vítor Cardoso, Carlos Herdeiro, et al.. (2010). Black holes in a box: Toward the numerical evolution of black holes in AdS space-times. Physical review. D. Particles, fields, gravitation, and cosmology. 82(10). 37 indexed citations
20.
Zilhão, Miguel, Helvi Witek, Ulrich Sperhake, et al.. (2010). Numerical relativity in higher dimensions. Journal of Physics Conference Series. 229. 12074–12074. 2 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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