Alkistis Pourtsidou

Center for Theoretical Physics — Poland

Physics and Astronomy · Physical Sciences

33h-index4.4kcitations135works15.52yr avg
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Research Topics

Galaxies: Formation, Evolution, Phenomena(79), Cosmology and Gravitation Theories(58), Radio Astronomy Observations and Technology(37), Astronomy and Astrophysical Research(32), Astrophysics and Cosmic Phenomena(27)

Publications115 total

Exponential quintessence with momentum coupling to dark matter
Journal of Cosmology and Astroparticle Physics·2026Open Access
Stable islands of weak gravity
Journal of Cosmology and Astroparticle Physics·2026Open Access
Stable islands of weak gravity
Journal of Cosmology and Astroparticle Physics·2026Open Access
Exponential quintessence with momentum coupling to dark matter
Journal of Cosmology and Astroparticle Physics·2026Open Access
Illuminating the Physics of Cosmic Origin and Evolution: A UK Space Frontiers 2035 White Paper
ArXiv.org·2026Open Access
Illuminating the Physics of Cosmic Origin and Evolution: A UK Space Frontiers 2035 White Paper
arXiv (Cornell University)·2026Open Access
Euclid: Constraints on f(R) cosmologies from the spectroscopic and photometric primary probes
Astronomy and Astrophysics·2025Open Access
Hydrogen intensity mapping with MeerKAT: Preserving cosmological signal by optimising contaminant separation
Astronomy and Astrophysics·2025· 6 citedOpen Access
Euclid preparation. Cosmology Likelihood for Observables in Euclid (CLOE). 6: Impact of systematic uncertainties on the cosmological analysis
ArXiv.org·2025Open Access
Euclid preparation. Cosmology Likelihood for Observables in Euclid (CLOE). 3. Inference and Forecasts
arXiv (Cornell University)·2025Open Access
Emission-line Stacking of 21 cm Intensity Maps with MeerKLASS: Inference Pipeline and Application to the <i>L</i>-band Deep-field Data
The Astrophysical Journal Supplement Series·2025· 3 citedOpen Access
Baryon-free <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"> <a:msub> <a:mi>S</a:mi> <a:mn>8</a:mn> </a:msub> </a:math> tension with Stage IV cosmic shear surveys
The Open Journal of Astrophysics·2025· 3 citedOpen Access
MeerKLASS L-band deep-field intensity maps: entering the H <scp>i</scp> dominated regime
Monthly Notices of the Royal Astronomical Society·2025· 17 citedOpen Access
<i>Euclid</i> preparation
Astronomy and Astrophysics·2024· 2 citedOpen Access
Radio frequency interference from radio navigation satellite systems: simulations and comparison to MeerKAT single-dish data
Monthly Notices of the Royal Astronomical Society·2024· 6 citedOpen Access
Classifying modified gravity and dark energy theories with Bayesian neural networks: massive neutrinos, baryonic feedback, and the theoretical error
Monthly Notices of the Royal Astronomical Society·2024· 2 citedOpen Access
Power spectrum multipoles and clustering wedges during the epoch of reionization
Monthly Notices of the Royal Astronomical Society·2024Open Access
Baryon-free $S_8$ tension with Stage IV cosmic shear surveys
arXiv (Cornell University)·2024Open Access
Euclid preparation LXIII. Simulations and nonlinearities beyond $Λ$CDM. 2. Results from non-standard simulations
arXiv (Cornell University)·2024Open Access
Euclid preparation LXIII. Simulations and nonlinearities beyond $Λ$CDM. 2. Results from non-standard simulations
SPIRE - Sciences Po Institutional REpository·2024· 1 citedOpen Access
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Frequent Co-authors

S. Camera(13), Steven Cunnington(13), Laura Wolz(9), Philip Bull(8), David Bacon(8), Mário G. Santos(8), José Fonseca(7), R. B. Metcalf(7), Z. Sakr(6), I. Tutusaus(6), Marco Baldi(6), C. Giocoli(6), Edmund J. Copeland(6), Melis O Irfan(6), M. Kunz(5), K. Markovič(5), M. Brescia(5), J. Brinchmann(5), V. Capobianco(5), S. Cavuoti(5)