Physicists Modeled Five-Dimensional Black Holes
Researchers have proposed a new model for primordial black holes that operate within an extra dimension.
Updated on Sept. 25, 2026 in Physics
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Physicists at Lehman College have developed a model describing primordial black holes that exist as five-dimensional objects. These theoretical structures interact with an extra dimension compactified to a size of approximately one micron.
Why it matters
The model suggests that five-dimensional black holes undergo slower evaporation via Hawking radiation than their four-dimensional counterparts. This could explain how primordial black holes formed in the early universe have survived to the present day.
The study theorizes that black holes with an event horizon smaller than one micron extend their gravitational field into a fifth dimension. This five-dimensional behavior prevents the standard Gregory-Laflamme instability seen in four-dimensional objects.
The players
Lehman College
This is a senior college of the City University of New York that serves as the home base for the research team.
KM3NeT observatory
This is a deep-sea research infrastructure in the Mediterranean designed to detect high-energy neutrinos.
The details
The research posits that our observable universe exists as a four-dimensional brane. These black holes are thought to have formed during the early universe through rapid phase transitions or the collapse of cosmic strings.
Timeline
13.8 billion years ago the Big Bang occurred.
Present day marks the theoretical survival period for these black holes.
The Big Picture
This research follows a pattern set by recent studies published in Physical Review D aiming to reconcile gravity with higher-dimensional spaces. The findings represent a theoretical shift that could bridge gaps between standard cosmology and string theory.
While currently a theoretical advancement, proving the existence of extra dimensions could eventually transform our understanding of gravity and energy. Such a breakthrough might one day offer new insights into high-energy physics applications and the fundamental nature of the universe.
The takeaway
This model provides a potential explanation for how black holes formed in the early universe could still exist today. It challenges current understanding by suggesting our observable universe may be just one part of a larger, higher-dimensional landscape.
Further reading
Learn more about the latest research in this field at the Physics section.
Source note: This article includes information reported by RBC-Ukraine.
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