Fuzzy Dark Matter (FDM) represents an alternative and intriguing description of the standard Cold fluid, which is able to explain lack direct detection dark matter particles in GeV sector alleviate small-scale tensions cosmic large-scale structure formation. Cosmological simulations FDM models literature were performed either with very expensive high-resolution grid-based individual haloes or through N-body encompassing larger volumes but resorting on significant approximations non-linear...

We present a new module of the parallel N-Body code P-GADGET3 for cosmological simulations light bosonic non-thermal dark matter, often referred as Fuzzy Dark Matter (FDM). The dynamics FDM features highly non-linear Quantum Potential (QP) that suppresses growth structures at small scales. Most previous attempts either evolved suppressed initial conditions, completely neglecting dynamical effects QP throughout cosmic evolution, or resorted to numerically challenging full-wave solvers....

About one third of the gamma-ray sources listed in second Fermi LAT catalog (2FGL) have no firmly established counterpart at lower energies so being classified as unidentified (UGSs). Here we propose a new approach to find candidate counterparts for UGSs based on 325 MHz radio survey performed with Westerbork Synthesis Radio Telescope (WSRT) northern hemisphere. First investigate low-frequency properties blazars, largest known population sources; then search similar combining information...

Dark matter models involving a very light bosonic particle, generally known as Fuzzy Matter (FDM), have been recently attracting great interest in the cosmology community, their wave-like phenomenology would simultaneously explain longstanding mis-detection of dark particle and help easing small-scale issues related to standard Cold (CDM) scenario. With present work, we initiate series papers aiming at investigating evolution FDM structures cosmological framework performed with our N-body...

According to the Fermi Large Area Telescope Second Source Catalog (2FGL), about one-third of γ-ray sources listed have no assigned counterparts at lower energies. Many statistical methods been developed find proper for these sources. We explore sky area covered low radio frequency by Westerbork in Southern Hemisphere (WISH) survey search blazar-like associations among unidentified (UGSs) 2FGL. Searching WISH and NRAO Very Array Sky Survey surveys within positional uncertainty regions 2FGL...

ABSTRACT We present the first high-resolution zoom-in simulation of a Milky-way-like halo extracted from Aquarius Project in Fuzzy Dark Matter (FDM) framework. use N-body code AX-GADGET, based on particle-oriented solution Schrödinger–Poisson equations, able to detail complexity structure formation while keeping track quantum effects FDM. The shows cored density profile, with core size several kpc for an FDM mass mχ = 2.5h × 10−22 eV/c2. A flattening is observed also velocity representing...

ABSTRACT Fuzzy dark matter (FDM) has recently emerged as an interesting alternative model to the standard cold (CDM). In this model, consists of very light bosonic particles with wave-like behaviour on galactic scales. Using N-body code ax-gadget, we perform cosmological simulations FDM that fully dynamical effects quantum potential throughout cosmic evolution. Through combined analysis volume and high-resolution zoom-in different particle masses ($m_{\chi }$$\sim$$10^{-23}\!-\!10^{-21}$ eV...

ABSTRACT Although active galactic nuclei (AGN) feedback is required in simulations of galaxies to regulate star formation, further downstream effects on the dark matter (DM) distribution halo and stellar kinematics central galaxy can be expected. We combine with without AGN physics from Numerical Investigation a Hundred Astrophysical Objects (NIHAO) investigate effect DM profile rotation host galaxies. Specifically, we study how concentration-halo mass (c–M) relation spin parameter (λR) are...

Abstract Variable stars play a crucial role as standard candles and provide valuable insights into stellar physics. They can be modeled either through fully fledged hydrodynamical simulations or analytically systems of coupled differential equations describing the evolution relevant physical quantities. Typically, such are arrived at by simplified assumptions concerning conservation laws governing interiors. Here we apply data-driven technique—sparse identification nonlinear dynamics...

We present the first set of high-resolution, hydrodynamical cosmological simulations galaxy formation in a Fuzzy Dark Matter (FDM) framework. These were performed with new version GASOLINE2 code, known as FUZZY-GASOLINE, which can simulate quantum FDM effects alongside comprehensive baryonic model that includes metal cooling, star formation, supernova feedback, and black hole physics, previously used NIHAO simulation suite. Using thirty zoom-in galaxies halo masses range $10^9 \lesssim...

Fuzzy Dark Matter (FDM) has recently emerged as an interesting alternative model to the standard Cold (CDM). In this model, dark matter consists of very light bosonic particles with quantum mechanical effects on galactic scales. Using N-body code AX-GADGET, we perform cosmological simulations FDM that fully dynamical potential throughout cosmic evolution. Through combined analysis volume and high-resolution zoom-in different particle masses ($m_{\chi}$ $\sim$ $10^{-23} - 10^{-21}$ eV/c$^2$),...

The advent of a new generation large-scale galaxy surveys is pushing cosmological numerical simulations in an uncharted territory. simultaneous requirements high resolution and very large volume pose serious technical challenges, due to their computational data storage demand. In this paper, we present novel approach dubbed Dynamic Zoom Simulations -- or DZS developed tackle these issues. Our method tailored the production lightcone outputs from N-body simulations, which allow for more...

We present the first high-resolution zoom-in simulation of a Milky-way-like halo extracted from Aquarius Project in Fuzzy Dark Matter (FDM) framework. use N-body code AX-GADGET, based on particle oriented solution Schrödinger-Poisson equations, able to detail complexity structure formation while keeping track quantum effects FDM. The shows cored density profile, with core size several kpc for FDM mass $m_χ=2.5h \times 10^{-22}\ {\rm eV}/c^2$. A flattening is observed also velocity...