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Anastasia Fialkov
Researcher at University of Cambridge
Publications - 121
Citations - 3660
Anastasia Fialkov is an academic researcher from University of Cambridge. The author has contributed to research in topics: Reionization & Redshift. The author has an hindex of 28, co-authored 94 publications receiving 2801 citations. Previous affiliations of Anastasia Fialkov include École Normale Supérieure & Centre national de la recherche scientifique.
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Galaxy formation with BECDM - I. Turbulence and relaxation of idealized haloes.
Philip Mocz,Mark Vogelsberger,Victor H. Robles,Jesús Zavala,Michael Boylan-Kolchin,Anastasia Fialkov,Lars Hernquist +6 more
TL;DR: In this article, a theoretical analysis of relaxed Bose-Einstein condensate dark matter (BECDM) haloes is presented, where a soliton core is supported against gravitational collapse by the quantum pressure tensor and an asymptotic r^−3 NFW-like profile.
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The observable signature of late heating of the Universe during cosmic reionization
TL;DR: It is shown that the hard spectra of X-ray binaries make such heating ineffective, resulting in a delayed and spatially uniform heating that modifies the 21-centimetre signature of reionization.
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Charting the parameter space of the global 21-cm signal
TL;DR: In this article, the authors explore the possible range of high-redshift parameters including the star formation efficiency and the minimal mass of star-forming halos; the efficiency, spectral energy distribution, and redshift evolution of the first X-ray sources; and the history of reionization.
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Constraining Baryon-Dark-Matter Scattering with the Cosmic Dawn 21-cm Signal.
TL;DR: It is found that consistent models predict a 21-cm fluctuation during cosmic dawn that is between 3 and 30 times larger than the largest previously expected without dark matter scattering.
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Impact of the relative motion between the dark matter and baryons on the first stars: semi-analytical modelling
TL;DR: In this article, the authors studied the impact of the initial supersonic relative velocity between the dark matter and baryons on the distribution of the star-forming haloes and on the formation redshift of the very first star.