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Carroll-Hawking effect
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Carroll black holes with an associated Carroll temperature were introduced recently. So far, it is unclear if they exhibit a Hawking-like effect. To solve this, we study scalar fields on Carroll black hole backgrounds. Inspired by anomaly methods, we derive a Hawking-like energy-momentum tensor compatible with the Carroll temperature and the Stefan-Boltzmann law. Key steps in our derivation are the finiteness of energy at the Carroll extremal surface and compatibility with the Carroll-Ward identities, thereby eliminating, respectively, the Carroll analogs of the Boulware and Unruh vacua.
Published by the American Physical Society
2024
American Physical Society (APS)
Title: Carroll-Hawking effect
Description:
Carroll black holes with an associated Carroll temperature were introduced recently.
So far, it is unclear if they exhibit a Hawking-like effect.
To solve this, we study scalar fields on Carroll black hole backgrounds.
Inspired by anomaly methods, we derive a Hawking-like energy-momentum tensor compatible with the Carroll temperature and the Stefan-Boltzmann law.
Key steps in our derivation are the finiteness of energy at the Carroll extremal surface and compatibility with the Carroll-Ward identities, thereby eliminating, respectively, the Carroll analogs of the Boulware and Unruh vacua.
Published by the American Physical Society
2024.
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