Head-on collisions of boson stars
C. Palenzuela, I. Olabarrieta, L. Lehner, S. Liebling

TL;DR
This paper investigates the dynamics and gravitational wave signatures of head-on collisions between boson stars with varying phase differences, revealing how initial phase affects the outcome and emitted signals.
Contribution
It provides new insights into how phase differences influence the collision dynamics and gravitational wave emission of boson stars in three dimensions.
Findings
Phase differences lead to distinct late-time behaviors.
Gravitational wave output varies with initial phase.
Collision outcomes depend on star properties.
Abstract
We study head-on collisions of boson stars in three dimensions. We consider evolutions of two boson stars which may differ in their phase or have opposite frequencies but are otherwise identical. Our studies show that these phase differences result in different late time behavior and gravitational wave output.
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