Black Holes May Split Under Extreme Rotational Conditions
New theoretical research indicates that rapid spin and extra dimensions could allow black hole horizons to fragment.
Updated on Oct. 24, 2026 in Physics
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Researchers have published a theoretical study in Physical Review D exploring the possibility of black hole fragmentation. The research posits that under specific conditions involving high rotation and extra dimensions, a single black hole could theoretically split into two.
Why it matters
Understanding if and how black holes can divide provides new insights into the behavior of gravity and thermodynamics in extreme environments. This work refines theoretical models of black hole evolution, particularly for small primordial objects that may exist in the early universe.
The study demonstrates that non-rotating black holes remain stable because splitting would reduce total entropy, violating thermodynamic principles. However, rapidly rotating black holes with unequal mass distribution in extra dimensions may bypass this constraint.
The players
Physical Review D
A peer-reviewed journal focused on particle physics, field theory, gravitation, and cosmology.
Quantum Field Theory Center
A research institution based in Odense, Denmark, specializing in fundamental physical interactions.
The details
The research describes a 'pair-of-pants' topology where a single black hole horizon evolves over time into two separate legs. For this to occur, the fragments must have enough momentum to separate permanently, rather than merging back into a singular mass. The mechanism relies on the interaction between high rotational spin and additional spatial dimensions beyond the standard three, which can make the transition thermodynamically favorable.
Timeline
October 23, 2026: Publication of the theoretical study in Physical Review D.
The Tech Race
This research builds on longstanding efforts to define the thermodynamic limits of black holes following the 1974 discovery of Hawking radiation. It advances the field by identifying the specific rotational and dimensional parameters that could potentially trigger a horizon split.
While this remains a theoretical development for the physics community, researchers suggest that future gamma-ray telescopes might eventually detect signals from fragmenting black holes. No immediate hardware or software requirements exist for non-specialist readers.
The takeaway
The research highlights that black hole fragmentation is only thermodynamically viable under specific high-spin and extra-dimensional conditions. Watch for future observational data from gamma-ray telescopes that may seek to validate these fragmentation signatures in primordial black holes.
Further reading
For more on the evolving models of gravitational collapse, see our full coverage in Physics.
Source note: This article includes information reported by Eurasia Review.
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