Phantom scalar emission in the Kerr black hole spacetime
classification
🌀 gr-qc
keywords
scalarblackholephantomspacetimeemissionhawkingkerr
read the original abstract
We study the absorption probability and Hawking radiation spectra of a phantom scalar field in the Kerr black hole spacetime. We find that the presence of the negative kinetic energy terms modifies the standard results in the greybody factor, super-radiance and Hawking radiation. Comparing with the usual scalar particle, the phantom scalar emission is enhanced in the black hole spacetime.
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