Anisotropic Fluid Model for Massive Boson Stars: Spherically Symmetric Configurations

arXiv:2610.09432 · gr-qc, astro-ph.HE · Submitted 2026-10-07 · Read on arXiv

gr-qc, astro-ph.HE

Submitted: 2026-10-07

Updated: 2026-10-07

Code: https://github.com/Ethan-McKeever/Anisotropic-Fluid-Model-for-Massive-Boson-Stars

Terminology

• Anisotropy — 21× in this paper · explained in 3 episodes
• Accuracy — 8× in this paper · explained in 1 episode
• Herrera and Barreto — 2× in this paper
• Bowers and Liang — 1× in this paper
• EMMA — 1× in this paper · explained in 2 episodes

Sources

• GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs
• GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run
• GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run
• GWTC-5.0: Observations from the Second Part of the Fourth LIGO-Virgo-KAGRA Observing Run and Updates to the Gravitational-Wave Transient Catalog
• Testing the nature of dark compact objects: a status report
• Astrophysical signatures of boson stars: quasinormal modes and inspiral resonances
• Bose-Einstein Condensate general relativistic stars
• The multipolar structure of rotating boson stars
• Dark stars: gravitational and electromagnetic observables
• Modern tools for computing neutron star properties
• Radial pulsations and stability of anisotropic stars with quasi-local equation of state
• Non-radial oscillations of anisotropic neutron stars in the Cowling approximation
• I-Love-Q anisotropically: Universal relations for compact stars with scalar pressure anisotropy
• Nonradial instabilities in anisotropic neutron stars
• f-mode oscillations of anisotropic neutron stars in full general relativity
• Slowly Rotating Boson Stars

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• Boson star-black hole binaries: initial data and head-on collisions