Personal Information
(+30) 26510 - 08451
e.paraskevas@uoi.gr
Research Interests
General RelativityCosmology
Mathematical Physics
Short Curriculum Vitae
Education
October 2022 – Present Ph.D. in Physics
Department of Physics, University of Ioannina
October 2019 – October 2021 Postgraduate Studies (M.Sc.): Advanced Studies in Physics
School of Science & Technology, Hellenic Open University
March 2019 – Present Ptychion in Mathematics
Department of Mathematics, National Kapodistrian University of Athens
October 2013 – March 2018 Ptychion in Physics
Department of Physics, University of Ioannina
Computer Skills
Operating Systems Windows & Linux
Programming Wolfram Mathematica, C
Scientific Software CLASS, LaTeX
Languages
Greek Native
English C1 Level
Publication Record
- The friction-era VOS amplitude of a ℤ₂ string network from nematic disclination data. D. Efstratiou, E.A. Paraskevas and L. Perivolaropoulos. arXiv:2608.20449 [cond-mat.soft] (submitted)
- Static Dark Fluid Thin Shells in Schwarzschild–de Sitter Spacetimes: Stability and Black Hole Shadows. D. Efstratiou, E.A. Paraskevas and L. Perivolaropoulos. Phys. Rev. D 114, 064089, published 29 September 2026.
DOI: https://doi.org/10.1103/hkyx-bqlt · arXiv:2602.22141 [gr-qc] - Addressing the DESI DR2 Phantom-Crossing Anomaly and Enhanced H₀ Tension with Reconstructed Scalar-Tensor Gravity. D. Efstratiou, E.A. Paraskevas and L. Perivolaropoulos. Phys. Rev. D 113, 123525, published 12 June 2026.
DOI: https://doi.org/10.1103/zdcg-4sdf · arXiv:2511.04610 [astro-ph.CO] - Probing the Universe’s Topology through a Quantum System? E.A. Paraskevas and L. Perivolaropoulos. Phys. Rev. D 112, 043524.
DOI: https://doi.org/10.1103/7p89-q82n · arXiv:2505.08603 [quant-ph] - Linear matter density perturbations in the ΛₛCDM model: Examining growth dynamics and addressing the S₈ tension. Özgür Akarsu, Arman Çam, Evangelos A. Paraskevas and Leandros Perivolaropoulos. Journal of Cosmology and Astroparticle Physics, Volume 2025, August 2025.
DOI: https://iopscience.iop.org/article/10.1088/1475-7516/2025/08/089 · arXiv:2502.20384 [astro-ph.CO] - Gravitational Wave Signatures Induced by Dark Fluid Accretion in Binary Systems. E.A. Paraskevas and L. Perivolaropoulos. Universe 11 (2025) 2, 62.
DOI: https://doi.org/10.3390/universe11020062 · arXiv:2502.07929 [gr-qc] - Transition dynamics in the ΛₛCDM model: Implications for bound cosmic structures. E.A. Paraskevas, A. Çam, L. Perivolaropoulos and Ö. Akarsu. Phys. Rev. D 109 (2024) 10, 103522.
DOI: https://doi.org/10.1103/PhysRevD.109.103522 · arXiv:2402.05908 [astro-ph.CO] - The density of virialized clusters as a probe of dark energy. E.A. Paraskevas and L. Perivolaropoulos. Monthly Notices of the Royal Astronomical Society, Volume 531, Issue 1, June 2024, Pages 1021–1033.
DOI: https://doi.org/10.1093/mnras/stae1212 · arXiv:2308.07046 [astro-ph.CO] - Effects of a Late Gravitational Transition on Gravitational Waves and Anticipated Constraints. E.A. Paraskevas and L. Perivolaropoulos. Universe 2023, 9(7), 317.
DOI: https://doi.org/10.3390/universe9070317 · arXiv:2307.00298 [astro-ph.CO]
Experience
Teaching Assistance
- Winter Semester 2025–26: Classical Mechanics I (Core Undergraduate Course – 33)
- Spring Semester 2022–26: Cosmology (Advanced Undergraduate Elective Course – 105)
- Winter Semester 2023–26: Gravity and General Theory of Relativity (Advanced Undergraduate Elective Course – 106)
- Spring Semester 2023–25: Classical Electrodynamics II (Advanced Undergraduate Elective Course – 114)
