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Related papers: Interference in Fuzzy Dark Matter Filaments: Ideal…

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We introduce the Fuzzy Dark Sector (FDS) scenario as a rich, interacting system and candidate for dark matter. This serves as a natural extension of the single-component, non-interacting Fuzzy Dark Matter (FDM) paradigm. Concretely, we…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-22 Christian Capanelli , Elisa G. M. Ferreira , Evan McDonough

This paper investigates the feasibility of simulating Fuzzy Dark Matter (FDM) with a reduced number of spatial dimensions. Our aim is to set up a realistic, yet numerically inexpensive, toy model in $(1+1)$-dimensional space time, that -…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-28 Tim Zimmermann , Nico Schwersenz , Massimo Pietroni , Sandro Wimberger

It has been postulated that Fuzzy Dark Matter (FDM) could be a viable alternative to Cold Dark Matter (CDM). FDM is comprised of ultralight bosons which exist as a Bose-Einstein condensate. Due to the very low mass of FDM, the de Broglie…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-28 V. Sreenath

In fuzzy dark matter (FDM) cosmologies, the dark matter consists of ultralight bosons ($m\lesssim10^{-20}$ eV). The astrophysically large de Broglie wavelengths of such particles hinder the formation of low-mass dark matter halos. This…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-20 Jackson Sipple , Adam Lidz , Daniel Grin , Guochao Sun

Potential small-scale discrepancies in the picture of galaxy formation painted by the $\Lambda$CDM paradigm have led to considerations of modified dark matter models. One such dark matter model that has recently attracted much attention is…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-08 Olof Nebrin , Raghunath Ghara , Garrelt Mellema

We investigate phenomenologically the viability of fuzzy dark matter (FDM). We do this by confronting the predictions of the model, in particular, the formation of a solitonic core at the center of dark matter halos, with a homogeneous and…

Astrophysics of Galaxies · Physics 2024-03-15 Andrés Bañares-Hernández , Andrés Castillo , Jorge Martin Camalich , Giuliano Iorio

Fuzzy Dark Matter (FDM) is among the most suitable candidates to replace WIMPs and to resolve the puzzling mystery of dark matter. A galactic dark matter halo made of these ultralight bosonic particles leads to the formation of a solitonic…

Astrophysics of Galaxies · Physics 2025-03-19 Gabriel d'Andrade Furlanetto , Riccardo Della Monica , Ivan De Martino

Fuzzy Dark Matter (FDM), consisting of ultralight bosons, is an intriguing alternative to Cold Dark Matter. Numerical simulations solving the Schr\"odinger-Poisson (SP) equation, which governs FDM dynamics, show that FDM halos consist of a…

We present a new implementation of fuzzy dark matter (FDM) dynamical friction within the galpy framework, enabling orbital integrations of globular clusters (GCs) across a broad range of halo-to-GC mass ratios and boson masses. In this…

Astrophysics of Galaxies · Physics 2026-04-08 Adrian Szpilfidel , Pierre Boldrini , Jo Bovy , Paola Di Matteo

On large cosmological scales, anisotropic gravitational collapse is manifest in the dark cosmic web. Its statistical properties are little known for alternative dark matter models such as fuzzy dark matter (FDM). In this work, we assess for…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-17 Tibor Dome , Anastasia Fialkov , Nina Sartorio , Philip Mocz

Fuzzy Dark Matter (FDM), particularly in the $10^{-22}$ eV mass regime is frequently used to characterize wave-like interference effects. It exhibits macroscopic wave properties, which drive distinct baryonic dynamics within collapsed…

Astrophysics of Galaxies · Physics 2026-04-28 Alexander Tocher , Anastasia Fialkov , Simon May , Ralf S. Klessen , Simon C. O. Glover , Paul C. Clark , Tibor Dome

Fuzzy Dark Matter (FDM) has recently gained attention as a motivated candidate for the dark matter (DM) content of the Universe, as opposed to the commonly assumed cold DM (CDM), since the soliton profile intrinsic to FDM models was found…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-01 Tatyana Shevchuk , Ely D. Kovetz , Adi Zitrin

Dark matter may be composed of ultra-light bosons whose de Broglie wavelength in galaxies is of order 1 kpc. The standard model for this fuzzy dark matter (FDM) is a complex scalar field that obeys the Schr\"odinger-Poisson equations. The…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-23 Boris Zupancic , Lawrence M. Widrow

We investigate nonlinear structure formation in the fuzzy dark matter (FDM) model using both numerical and perturbative techniques. On the numerical side, we examine the virtues and limitations of a Schrodinger-Poisson solver (wave…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-27 Xinyu Li , Lam Hui , Greg L. Bryan

Fuzzy dark matter (FDM) is a promising candidate for dark matter, characterized by its ultra-light mass, which gives rise to wave effects at astrophysical scales. These effects offer potential solutions to the small-scale issues encountered…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-30 Hamed Manouchehri Kousha , Mohammad Ansarifard , Aliakbar Abolhasani

In the fuzzy dark matter (FDM) model, dark matter is composed of ultra-light particles with a de Broglie wavelength of $\sim$kpc, above which it behaves like cold dark matter (CDM). Due to this, FDM suppresses the growth of structure on…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-01 Debanjan Sarkar , Jordan Flitter , Ely D. Kovetz

Dark matter models involving a very light bosonic particle, generally known as Fuzzy Dark Matter (FDM), have been recently attracting great interest in the cosmology community, as their wave-like phenomenology would simultaneously explain…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-23 Matteo Nori , Marco Baldi

We study cosmological structure formation with ultralight axion dark matter, or "fuzzy dark matter (FDM), using a particle-mesh scheme to account for the quantum pressure arising in the Madelung formulation of the Schr\"odinger-Poisson…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-03 Jan Veltmaat , Jens C. Niemeyer

Fuzzy Dark Matter (FDM) is one of the recent models for dark matter. According to this model, dark matter is made of very light scalar particles with considerable quantum mechanical effects on the galactic scale, which solves many problems…

Astrophysics of Galaxies · Physics 2020-05-13 Alireza Maleki , Shant Baghram , Sohrab Rahvar

We present a novel method to constrain the mass of ultra-light bosons as the dark matter using stellar streams formed by disrupting Globular Clusters in the Milky Way. The turbulent density field of Fuzzy Dark Matter (FDM) haloes results in…

Astrophysics of Galaxies · Physics 2018-08-03 Nicola C. Amorisco , A. Loeb