60 citations · 202 across the 5 of their papers we have counts for
7 papers
FROST: a momentum-conserving CUDA implementation of a hierarchical fourth-order forward symplectic integrator
Antti Rantala, Thorsten Naab, Volker Springel
We present a novel hierarchical formulation of the fourth-order forward symplectic integrator and its numerical implementation in the GPU-accelerated direct-summation N-body code F…
Multiple Stellar Evolution: a population synthesis algorithm to model the stellar, binary, and dynamical evolution of multiple-star systems
Adrian S. Hamers, Antti Rantala, Patrick Neunteufel +2
In recent years, observations have shown that multiple-star systems such as hierarchical triple and quadruple-star systems are common, especially among massive stars. They are pote…
SMART: A new implementation of Schwarzschild's Orbit Superposition technique for triaxial galaxies and its application to an N-body merger simulation
Bianca Neureiter, Jens Thomas, Roberto Saglia +6
We present SMART, a new 3D implementation of the Schwarzschild Method and its application to a triaxial N-body merger simulation. SMART fits full line-of-sight velocity distributio…
MSTAR -- a fast parallelised algorithmically regularised integrator with minimum spanning tree coordinates
Antti Rantala, Pauli Pihajoki, Matias Mannerkoski +2
We present the novel algorithmically regularised integration method MSTAR for high accuracy () integrations of N-body systems using minimum spanning tree c…
Gravitational Waves from the Inspiral of Supermassive Black Holes in Galactic-scale Simulations
Matias Mannerkoski, Peter H. Johansson, Pauli Pihajoki +2
We study the orbital evolution and gravitational wave (GW) emission of supermassive black hole (SMBH) binaries formed in gas-free mergers of massive early-type galaxies using the h…
The simultaneous formation of cored, tangentially biased, and kinematically decoupled centers in massive early-type galaxies
Antti Rantala, Peter H. Johansson, Thorsten Naab +2
We study the impact of merging supermassive black holes (SMBHs) on the central regions of massive early-type galaxies (ETGs) using a series of merger simulations with varying mass…