Universality and Criticality in Mass-less Scalar Field Collapse
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866914218571202560 |
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| author | Koushiki Goswami, Rituparno Joshi, Pankaj S. |
| author_facet | Koushiki Goswami, Rituparno Joshi, Pankaj S. |
| contents | In this paper, we observe the collapse of a mass-less scalar field covariantly. We show that the strengths of the collapsing and dispersing modes of this scalar field will decide whether the collapse will end up in a black-hole or disperse. We find a locally naked null singularity as a critical case between these two and confirm that there is a single dimensionless parameter that determine the end state. This work is ansatz-independent, hence, true for all mass-less scalar field families. We also show that the geometrical mass of these singularities go to zero. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_20998 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Universality and Criticality in Mass-less Scalar Field Collapse Koushiki Goswami, Rituparno Joshi, Pankaj S. General Relativity and Quantum Cosmology In this paper, we observe the collapse of a mass-less scalar field covariantly. We show that the strengths of the collapsing and dispersing modes of this scalar field will decide whether the collapse will end up in a black-hole or disperse. We find a locally naked null singularity as a critical case between these two and confirm that there is a single dimensionless parameter that determine the end state. This work is ansatz-independent, hence, true for all mass-less scalar field families. We also show that the geometrical mass of these singularities go to zero. |
| title | Universality and Criticality in Mass-less Scalar Field Collapse |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2512.20998 |