Zobrazeno 1 - 10
of 5 096
pro vyhledávání: '"Bilek A"'
Autor:
Adamcová, B., Svoboda, J., Kyritsis, E., Kouroumpatzakis, K., Zezas, A., Boorman, P. G., Borkar, A., Bílek, M., Clavel, M., Petrucci, P. -O.
Publikováno v:
A&A 691, A27 (2024)
Compact star-forming galaxies were dominant galaxy types in the early Universe. Blueberry galaxies (BBs) represent their local analogues being very compact and having intensive star formation. Motivated by high X-ray emission recently found in other
Externí odkaz:
http://arxiv.org/abs/2408.13572
Autor:
Bílek, Michal
Publikováno v:
A&A 690, A364 (2024)
If modified gravity holds, but the weak lensing analysis is done in the standard way, one finds that dark matter halos have peculiar shapes, not following the standard Navarro-Frenk-White profiles, and are fully predictable from the distribution of b
Externí odkaz:
http://arxiv.org/abs/2408.02725
Autor:
Saburova, Anna S., Gasymov, Damir, Rubtsov, Evgenii V., Chilingarian, Igor V., Borisov, Sviatoslav, Gerasimov, Ivan, Kolganov, Fedor, Kasparova, Anastasia V., Uklein, Roman I., Bílek, Michal, Grishin, Kirill A., Zasov, Anatoly, Demianenko, Mariia, Katkov, Ivan Yu., Lalović, Ana, Samurović, Srdjan
To understand the origin of extended disks of low-surface brightness (LSB) galaxies, we studied in detail 4 such systems with large disks seen edge-on. Two of them are edge-on giant LSB galaxies (gLSBGs) recently identified by our team. The edge-on o
Externí odkaz:
http://arxiv.org/abs/2407.17548
Publikováno v:
A&A 690, A119 (2024)
Dynamical friction works very differently for Newtonian gravity with dark matter and in modified Newtonian dynamics (MOND). While the absence of dark matter considerably reduces the friction in major galaxy mergers, analytic calculations indicate the
Externí odkaz:
http://arxiv.org/abs/2407.11139
Autor:
Nagesh, Srikanth T., Freundlich, Jonathan, Famaey, Benoit, Bílek, Michal, Candlish, Graeme, Ibata, Rodrigo, Müller, Oliver
Publikováno v:
A&A 690, A149 (2024)
Ultra-diffuse galaxies (UDGs) in the Coma cluster have velocity dispersion profiles that are in full agreement with the predictions of Modified Newtonian Dynamics (MOND) in isolation. However, the external field effect (EFE) from the cluster seriousl
Externí odkaz:
http://arxiv.org/abs/2407.03413
Publikováno v:
npj Quantum Inf 10, 89 (2024)
Conditional addition of photons represents a crucial tool for optical quantum state engineering and it forms a fundamental building block of advanced quantum photonic devices. Here we report on experimental implementation of the conditional addition
Externí odkaz:
http://arxiv.org/abs/2405.10403
Early-type galaxies (ETGs, i.e. elliptical and lenticular galaxies) differ in their amount of rotational support -- some are purely supported by velocity dispersion, while others show pronounced ordered rotation. Cosmological hydrodynamical simulatio
Externí odkaz:
http://arxiv.org/abs/2405.04663
Autor:
Bilek, Stian
Quantum circuit partitioning (QCP) is a hybrid quantum-classical approach that aims to simulate large quantum systems on smaller quantum computers. A quantum computation is divided into smaller subsystems and results of measurements on these subsyste
Externí odkaz:
http://arxiv.org/abs/2403.14406
Publikováno v:
Cement and Concrete Composites, 2024, 154, 105736, ISSN 0958-9465
This paper presents the outcome of a study focused on the evolution of internal damage in fresh cement mortar over 25 hours of hardening. In situ timelapse X-ray computed micro-tomography ({\mu}XCT) imaging method was used to detect internal damage a
Externí odkaz:
http://arxiv.org/abs/2401.11988
Autor:
Ebrová, Ivana, Bílek, Michal, Lalović, Ana, Yıldız, Mustafa K., Duc, Pierre-Alain, Mašek, Martin, Prouza, Michael
Kinematical and morphological features observed in early-type galaxies provide valuable insights into the evolution of their hosts. We studied the origin of prolate rotation (i.e., rotation around the long axis) in Illustris large-scale cosmological
Externí odkaz:
http://arxiv.org/abs/2312.05532