Self-gravitating thin shells in general relativity are dynamically unstable on all angular scales, exhibiting an exponentially growing mode for all sampled compactness, adiabatic index, and multipole order ℓ ≥ 2.
Small, dark, and heavy: But is it a black hole?
2 Pith papers cite this work. Polarity classification is still indexing.
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Current and future observations can test whether dark compact objects are Kerr black holes or exotic alternatives, with null results strengthening the black hole paradigm.
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Self-gravitating thin shells are dynamically unstable on all angular scales
Self-gravitating thin shells in general relativity are dynamically unstable on all angular scales, exhibiting an exponentially growing mode for all sampled compactness, adiabatic index, and multipole order ℓ ≥ 2.
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Testing the nature of dark compact objects: a status report
Current and future observations can test whether dark compact objects are Kerr black holes or exotic alternatives, with null results strengthening the black hole paradigm.