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A New Hybrid Technique for Modeling Dense Star Clusters
Carl L. Rodriguez, Bharath Pattabiraman, Sourav Chatterjee +4
The "gravitational million-body problem," to model the dynamical evolution of a self-gravitating, collisional N-body system with ~10^6 particles over many relaxation times, remains…
Formation of Black Hole Low-Mass X-ray Binaries in Hierarchical Triple Systems
Smadar Naoz, Tassos Fragos, Aaron Geller +2
The formation of Black Hole (BH) Low-Mass X-ray Binaries (LMXB) poses a theoretical challenge, as low-mass companions are not expected to survive the common-envelope scenario with…
Black hole mergers and blue stragglers from hierarchical triples formed in globular clusters
Fabio Antonini, Sourav Chatterjee, Carl L. Rodriguez +4
Hierarchical triple-star systems are expected to form frequently via close binary-binary encounters in the dense cores of globular clusters. In a sufficiently inclined triple, grav…
Tidally-driven Roche-Lobe Overflow of Hot Jupiters with MESA
Francesca Valsecchi, Saul Rappaport, Frederic A. Rasio +2
Many exoplanets have now been detected in orbits with ultra-short periods, very close to the Roche limit. Building upon our previous work, we study the possibility that mass loss t…
Stability and Coalescence of Massive Twin Binaries
Jason A. Hwang, James C. Lombardi, Frederic A. Rasio +1
Massive stars are usually found in binaries, and binaries with periods less than 10 days may have a preference for near equal component masses. In this paper we investigate the evo…
Binary Black Hole Mergers from Globular Clusters: Implications for Advanced LIGO
Carl L. Rodriguez, Meagan Morscher, Bharath Pattabiraman +3
The predicted rate of binary black hole mergers from galactic fields can vary over several orders of magnitude and is extremely sensitive to the assumptions of stellar evolution. B…