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Creators/Authors contains: "Cors, Daniela"

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  1. ; ; ; ; ; ; ; (, Physical Review D)
    We explore the gravitational-wave emission from head-on collisions of equal-mass solitonic boson-star binaries from simulations spanning a two-dimensional parameter space, consisting of the central scalar-field amplitude of the stars and the solitonic potential parameter. We report the gravitational-wave energies emitted by boson-star binaries which, due to their combination of moderately high compactness with significant deformability, we often find to be louder by up to an order of magnitude than analogous black-hole collisions. The dependence of the radiated energy on the boson-star parameters exhibits striking needle-sharp features and discontinuous jumps to the value emitted by black-hole binaries. We explain these features in terms of the solitonic potential and the stability properties of the respective individual stars. 
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    Free, publicly-accessible full text available December 1, 2026
  2. ; ; ; ; ; ; ; ; (, Physical Review Letters)
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