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PreprintarXiv licencearXiv

Relative-Phase Control of Common-Bridge Survival in Collisions of Radially Excited Boson Stars

  • Bo-Xuan Ge
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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. In the benchmark configuration, all sampled phases form both a common and a strong bridge. After aligning the evolutions at the same operational weak-contact level, their early post-contact evolution remains similar, while a clear phase hierarchy develops only later, with larger phase offsets producing a weaker and less persistent connection. The same suppression persists under controlled variations of the central scalar amplitude, quartic self-interaction strength, and scalar potential. These results identify relative phase as a control on the nonlinear persistence of the common bridge rather than simply on the instantaneous scalar-field overlap.

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Cite

BibTeXRIS
BibTeX
@misc{ge2026relativephase,
  title = {{Relative-Phase Control of Common-Bridge Survival in Collisions of Radially Excited Boson Stars}},
  author = {Bo-Xuan Ge},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.01134},
  eprint = {2609.01134},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.01134},
}
RIS
TY  - UNPB
TI  - Relative-Phase Control of Common-Bridge Survival in Collisions of Radially Excited Boson Stars
AU  - Bo-Xuan Ge
PY  - 2026
DA  - 2026/09/23
PB  - arXiv
DO  - 10.48550/arxiv.2609.01134
UR  - https://arxiv.org/abs/2609.01134
AB  - 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. In the benchmark configuration, all sampled phases form both a common and a strong bridge. After aligning the evolutions at the same operational weak-contact level, their early post-contact evolution remains similar, while a clear phase hierarchy develops only later, with larger phase offsets producing a weaker and less persistent connection. The same suppression persists under controlled variations of the central scalar amplitude, quartic self-interaction strength, and scalar potential. These results identify relative phase as a control on the nonlinear persistence of the common bridge rather than simply on the instantaneous scalar-field overlap.
ER  -