A Note on Vacuum Polarisation and Hawking Radiation
classification
🌀 gr-qc
hep-th
keywords
vacuumpolarisationfieldhawkingradiationscalarclassicaldecay
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We re-examine vacuum polarisation of a scalar field in a quasi-local volume including the horizon. We find that Hawking radiation rate is derived as a pure decay of vacuum due to scalar field interaction with classical gravity exactly in the same way as the origin of vacuum polarisation effect in Electrodynamics.
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