97 citations · 438 across the 22 of their papers we have counts for
22 papers
Quantifying collision-driven mass loss in supermassive star formation: the role of stellar structure and accretion
P. A. Solar, B. Reinoso, D. R. G. Schleicher +1
Observations of high-redshift galaxies with JWST have renewed interest in scenarios where supermassive stars form via runaway stellar collisions in dense clusters, yet the impact o…
The LISA Astrophysics MBHcatalogues Project: A comparison of predictions of simulated massive black hole binaries
David Izquierdo-Villalba, Melanie Habouzit, Matteo Bonetti +67
In the hierarchical paradigm of galaxy formation, central massive black holes (MBHs) are expected to coalesce after the merger of their host galaxies. One of the main goals of the…
Massive star clusters detected by JWST as natural birth places to form intermediate-mass black holes
Dominik R. G. Schleicher, Matías Liempi, Mirek Giersz +11
The James Webb Space Telescope (JWST) has detected, through gravitational lensing, several young massive star clusters (YMCs), which are considered as relevant building blocks of h…
FROST-CLUSTERS -- III. Metallicity-dependent intermediate mass black hole formation by runaway collisions in dense star clusters
Antti Rantala, Thorsten Naab, Natalia Lahén +4
We explore the formation of intermediate mass black holes (IMBHs), potential seeds for supermassive black holes (SMBHs), via runaway stellar collisions for a wide range of star clu…
Rapid sinking and efficient mergers of supermassive black holes in compact high-redshift galaxies
Atte Keitaanranta, Peter H. Johansson, Alexander Rawlings +5
We present a cosmological zoom-in simulation targeting the high redshift compact progenitor phase of massive galaxies, with the most massive galaxy reaching a stellar mass of $M_{\…
Formation of supermassive stars in the first stellar clusters: Dependence on the gas temperature
P. A. Solar, B. Reinoso, D. R. G. Schleicher +2
The origin of supermassive black holes is an open question that has been explored considering gas- and collision-based formation channels to explain the high number of quasars obse…
Massive black hole formation in Population III star clusters
B. Reinoso, M. A. Latif, D. R. G. Schleicher
The James Webb Space Telescope (JWST) has revealed a population of active galactic nuclei (AGNs) that challenge existing black hole (BH) formation models. These newly observed BHs…
Gravitational collapse at low to moderate Mach numbers: The relationship between star formation efficiency and the fraction of mass in the massive object
Jorge Saavedra-Bastidas, Dominik R. G. Schleicher, Ralf S. Klessen +7
The formation of massive objects via gravitational collapse is relevant both for explaining the origin of the first supermassive black holes and in the context of massive star form…
Supermassive black hole formation via collisions in black hole clusters
Benjamin Gaete, Dominik R. G. Schleicher, Alessandro Lupi +3
More than 300 supermassive black holes have been detected at redshifts larger than 6, and they are abundant in the centers of local galaxies. Their formation mechanisms, however, a…
Efficiency of black hole formation via collisions in stellar systems: An analysis of data from simulations and observations
M. C. Vergara, D. R. G. Schleicher, A. Escala +7
This paper explores the theoretical relation between star clusters and black holes within, focusing on the potential role of nuclear star clusters (NSCs), globular clusters (GCs),…
Formation of supermassive stars in the first star clusters
Bastián Reinoso, Ralf S. Klessen, Dominik Schleicher +2
The formation of supermassive stars is believed to be an essential intermediate step for the formation of the massive black hole seeds that become the supermassive black holes powe…
The physical origin of super-competitive accretion during the formation of the first supermassive black holes
Dominik R. G. Schleicher, Bastián Reinoso, Ralf S. Klessen
Numerical simulations have shown the occurence of a scenario termed ''super-competitive accretion'', a term that describes a situation where only the central few objects grow super…
Global instability by runaway collisions in nuclear stellar clusters: Numerical tests of a route for massive black hole formation
M. C. Vergara, A. Escala, D. R. G. Schleicher +1
The centres of galaxies host nuclear stellar clusters, supermassive black holes, or both. The origin of this dichotomy is still a mystery. Nuclear stellar clusters are the densest…
Origin of supermassive black holes in massive metal-poor protoclusters
D. R. G. Schleicher, B. Reinoso, M. Latif +6
While large numbers of supermassive black holes have been detected at z>6, their origin is still essentially unclear. Numerical simulations have shown that the conditions for the c…
The mean free path approximation and stellar collisions in star clusters: Numerical exploration of the analytic rates and the role of perturbations on binary star mergers
Bastián Reinoso, Nathan W. C. Leigh, Carlos M. Barrera-Retamal +3
In this paper we compute predictions for the number of stellar collisions derived from analytic models based on the mean free path (MFP) approximation and compare them to the resul…
Stellar collisions in flattened and rotating Pop. III star clusters
M. Z. C. Vergara, D. R. G. Schleicher, T. C. N. Boekholt +4
Fragmentation often occurs in disk-like structures, both in the early Universe and in the context of present-day star formation. Supermassive black holes (SMBHs) are astrophysical…
Small-N Collisional Dynamics V: Beyond the Realm of Not-So-Small-N
Carlos Barrera, Nathan W. C. Leigh, Bastián Reinoso +2
Direct collisions between finite-sized particles occur commonly in many areas of astrophysics. Such collisions are typically mediated by chaotic, bound gravitational interactions i…
The effects of a background potential in star cluster evolution: a delay in the relaxation time-scale and runaway collision processes
B. Reinoso, D. R. G. Schleicher, M. Fellhauer +2
Runaway stellar collisions in dense star clusters are invoked to explain the presence of very massive stars or blue stragglers in the center of those systems. This process has also…
Formation of massive black holes via collisions and accretion
D. R. G. Schleicher, M. A. Fellhauer, T. Boekholt +13
To explain the observed population of supermassive black holes at z~7, very massive seed black holes or, alternatively, super-Eddington scenarios are needed to reach final masses o…
Collisions in Primordial Star Clusters: Formation Pathway for intermediate mass black holes
B. Reinoso, D. R. G. Schleicher, M. Fellhauer +2
Collisions were suggested to potentially play a role in the formation of massive stars in present day clusters, and have likely been relevant during the formation of massive stars…
Formation of massive seed black holes via collisions and accretion
T. C. N. Boekholt, D. R. G. Schleicher, M. Fellhauer +4
Models aiming to explain the formation of massive black hole seeds, and in particular the direct collapse scenario, face substantial difficulties. These are rooted in rather ad hoc…
Formation and Evolution of sub-structures in tidal tails: Spherical dark matter haloes
B. Reinoso, M. Fellhauer, R. Vejar
Recently a theory about the formation of over-densities of stars along tidal tails of globular clusters has been presented, this theory predicts the position and time of formation…