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Theoretical research on black hole splitting

Overview

Researchers have published a theoretical study in the journal Physical Review D investigating whether a single black hole could split into two or more smaller objects. This process is generally considered unlikely because it contradicts standard observations of black hole mergers and typically violates the second law of thermodynamics. Since black hole entropy is proportional to the area of its event horizon, dividing a large black hole into smaller ones would generally reduce total entropy.

The study, involving researchers from the University of Southern Denmark and other institutions, identified a narrow theoretical loophole. Extremely fast-spinning Kerr black holes rotating near their maximum possible rate might satisfy the necessary entropy conditions to allow for such a split. However, the researchers noted that meeting these thermodynamic requirements does not guarantee a physical mechanism exists to facilitate the split, nor does it ensure the resulting fragments would not immediately merge again.

Entities

University of Southern Denmark · Francesco Sannino · Physical Review D · University of Naples Federico II · Sorbonne Université

Timeline

  1. [TECHNOLOGY] 3 sources
    University of Southern Denmark researchers study black hole splitting

    A theoretical study from the University of Southern Denmark suggests black holes could potentially split into smaller ones if they are spinning extremely rapidly.

  2. [TECHNOLOGY] 5 sources
    Physicists investigate theoretical possibility of black hole splitting

    New theoretical research suggests that while black hole splitting is generally prevented by thermodynamics, extremely fast-spinning black holes might offer a narrow mathematical possibility for fragmentation.

Sources

das-wissen.de · earthsky.org · it-boltwise.de · knowridge.com · mormonhistoricsites.org · spaceweekly.com · techno-science.net · thebrighterside.news