Ίρις Θεοφίλου

769 total citations · 1 hit paper
12 papers, 531 citations indexed

About

Ίρις Θεοφίλου is a scholar working on Atomic and Molecular Physics, and Optics, Condensed Matter Physics and Statistical and Nonlinear Physics. According to data from OpenAlex, Ίρις Θεοφίλου has authored 12 papers receiving a total of 531 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Atomic and Molecular Physics, and Optics, 2 papers in Condensed Matter Physics and 2 papers in Statistical and Nonlinear Physics. Recurrent topics in Ίρις Θεοφίλου's work include Advanced Chemical Physics Studies (8 papers), Spectroscopy and Quantum Chemical Studies (3 papers) and Atomic and Molecular Physics (3 papers). Ίρις Θεοφίλου is often cited by papers focused on Advanced Chemical Physics Studies (8 papers), Spectroscopy and Quantum Chemical Studies (3 papers) and Atomic and Molecular Physics (3 papers). Ίρις Θεοφίλου collaborates with scholars based in Germany, Greece and United States. Ίρις Θεοφίλου's co-authors include Ángel Rubio, Micael J. T. Oliveira, Miguel A. L. Marques, N. Helbig, Xavier Andrade, Umberto De Giovannini, Ask Hjorth Larsen, Lorenzo Stella, Alberto Castro and Matthieu J. Verstraete and has published in prestigious journals such as The Journal of Chemical Physics, Physical Chemistry Chemical Physics and Journal of Chemical Theory and Computation.

In The Last Decade

Ίρις Θεοφίλου

11 papers receiving 523 citations

Hit Papers

align trajectories

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.

Real-space grids and the Octopus code as tools for the development of new simulation approaches for electronic systems

2015 365 citations Xavier Andrade, David A. Strubbe et al. Physical Chemistry Chemical Physics profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Ίρις Θεοφίλου Germany	8	417	133	101	87	43	12	531
Joseba Alberdi‐Rodriguez Spain	6	500 1.2×	202 1.5×	146 1.4×	111 1.3×	61 1.4×	9	678
G. Piccitto Italy	13	389 0.9×	91 0.7×	78 0.8×	52 0.6×	33 0.8×	46	597
Gopal Dixit India	20	669 1.6×	194 1.5×	144 1.4×	111 1.3×	47 1.1×	42	828
Somnath Ghosh India	15	654 1.6×	63 0.5×	247 2.4×	46 0.5×	41 1.0×	70	804
M. M. T. Loy Hong Kong	9	601 1.4×	89 0.7×	148 1.5×	88 1.0×	40 0.9×	9	673
S. Wolf Germany	11	290 0.7×	103 0.8×	49 0.5×	55 0.6×	16 0.4×	18	387
A. Sarfati France	7	300 0.7×	73 0.5×	54 0.5×	28 0.3×	36 0.8×	14	374
Shachar Klaiman Germany	15	1.1k 2.6×	77 0.6×	94 0.9×	46 0.5×	29 0.7×	35	1.2k

Countries citing papers authored by Ίρις Θεοφίλου

Since Specialization

Citations

This map shows the geographic impact of Ίρις Θεοφίλου'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 Ίρις Θεοφίλου with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ίρις Θεοφίλου more than expected).

Fields of papers citing papers by Ίρις Θεοφίλου

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ίρις Θεοφίλου. 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 Ίρις Θεοφίλου. The network helps show where Ίρις Θεοφίλου may publish in the future.

Co-authorship network of co-authors of Ίρις Θεοφίλου

This figure shows the co-authorship network connecting the top 25 collaborators of Ίρις Θεοφίλου. A scholar is included among the top collaborators of Ίρις Θεοφίλου 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 Ίρις Θεοφίλου. Ίρις Θεοφίλου is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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12 of 12 papers shown

Oliveira, Micael J. T., et al.. (2020). Octopus, a computational framework for exploring light-driven phenomena and quantum dynamics in extended and finite system. Terrestrial Environment Research Center (University of Tsukuba). 90 indexed citations

Θεοφίλου, Ίρις, Markus Penz, Michael Ruggenthaler, & Ángel Rubio. (2020). Virial Relations for Electrons Coupled to Quantum Field Modes. Journal of Chemical Theory and Computation. 16(10). 6236–6243. 6 indexed citations

Θεοφίλου, Ίρις, et al.. (2020). Light–Matter Hybrid-Orbital-Based First-Principles Methods: The Influence of Polariton Statistics. Journal of Chemical Theory and Computation. 16(9). 5601–5620. 20 indexed citations

Penz, Markus, et al.. (2019). Force balance approach for advanced approximations in density functional theories. MPG.PuRe (Max Planck Society). 8 indexed citations

Θεοφίλου, Ίρις, et al.. (2018). Kinetic-Energy Density-Functional Theory on a Lattice. Journal of Chemical Theory and Computation. 14(8). 4072–4087. 7 indexed citations

Θεοφίλου, Ίρις, Nektarios N. Lathiotakis, & N. Helbig. (2016). Conditions for Describing Triplet States in Reduced Density Matrix Functional Theory. Journal of Chemical Theory and Computation. 12(6). 2668–2678. 7 indexed citations

Andrade, Xavier, David A. Strubbe, Umberto De Giovannini, et al.. (2015). Real-space grids and the Octopus code as tools for the development of new simulation approaches for electronic systems. Physical Chemistry Chemical Physics. 17(47). 31371–31396. 365 indexed citations breakdown →

Θεοφίλου, Ίρις, et al.. (2013). Double excitations from modified Hartree Fock subsequent minimization scheme. The Journal of Chemical Physics. 138(12). 124107–124107. 3 indexed citations

Θεοφίλου, Ίρις, et al.. (2012). Hartree–Fock calculation for excited states. International Journal of Quantum Chemistry. 113(5). 690–693. 14 indexed citations

10.

Θεοφίλου, Ίρις, et al.. (2010). Dissociation energies for small molecules from symmetry projected Hartree Fock states. Journal of Physics Conference Series. 213. 12030–12030.

11.

Theophilou, A. K., et al.. (2008). Approximate spin symmetries in single determinantal approximations of many electron systems. Journal of Physics Conference Series. 104. 12020–12020. 1 indexed citations

12.

Θεοφίλου, Ίρις, et al.. (2007). Spin contamination for Hartree-Fock, optimized effective potential, and density functional approximations. The Journal of Chemical Physics. 127(23). 234103–234103. 10 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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