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Destruction of Molecular Hydrogen during Cosmological Reionization
Open accessAbstract
We investigate the ability of primordial gas clouds to retain molecular hydrogen (H 2 ) during the initial phase of the reionization epoch. We find that before the Strömgren spheres of the individual ionizing sources overlap, the UV background below the ionization threshold is able to penetrate large clouds and suppress their H 2 abundance. The consequent lack of H 2 cooling could prevent the collapse and fragmentation of clouds with virial temperatures T vir ≲ 10 4 K (or masses ≲10 8 M ☉ [(1 + z vir )/10] -3/2 ). This negative feedback on structure formation arises from the very first ionizing sources and precedes the feedback due to the photoionization heating.
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Citations
Cites
The statistics of peaks of Gaussian random fields
Bardeen, J. M., Bond, J. R., Kaiser, N., & Szalay, A. S. (1986) · The Astrophysical Journal · doi:10.1086/164143 · Cited by 3,270
Cited by
Bromm, V., & Larson, R. B. (2004) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev.astro.42.053102.134034 · Cited by 957
Massive Black Holes as Population III Remnants
Madau, P., & Rees, M. J. (2001) · The Astrophysical Journal · doi:10.1086/319848 · Cited by 953
Self-citationThe Assembly of the First Massive Black Holes
Inayoshi, K., Visbal, E., & Haiman, Z. (2020) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-120419-014455 · Cited by 665
Self-citationOh, S. P., & Haiman, Z. (2002) · The Astrophysical Journal · doi:10.1086/339393 · Cited by 383
Self-citationThe Radiative Feedback of the First Cosmological Objects
Haiman, Z., Abel, T., & Rees, M. J. (2000) · The Astrophysical Journal · doi:10.1086/308723 · Cited by 381
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Metadata
- Authors
- Haiman, Z., Rees, M. J., & Loeb, A.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1997-02-20
- Volume
- 476
- Issue
- 2
- Pages
- 458-463
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2045388241
- Cited by
- 394
- References
- 1
- FWCI
- 16.78
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Haiman, Z., Rees, M. J., & Loeb, A. (1997). Destruction of Molecular Hydrogen during Cosmological Reionization. The Astrophysical Journal. https://doi.org/10.1086/303647
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