Relative-Phase Control of Common-Bridge Survival in Collisions of Radially Excited Boson Stars
Bo-Xuan Ge
Abstract
We show that the relative phase primarily controls the survival, rather than the initial formation, of the common bridge in head-on collisions of radially excited boson stars. We vary the relative phase and track the post-contact bridge evolution across different boson-star configurations and scalar potentials. In the benchmark, all sampled phases form a common bridge, while larger phase offsets reduce its persistence; the same suppression persists across the configurations and potentials studied.
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