Carroll-Hawking effect

Author(s)

Aggarwal, Ankit ; Ecker, Florian ; Grumiller, Daniel ; Vassilevich, Dmitri

• Document type: Journal article
• Source: PHYSICAL REVIEW D; v. 110, n. 4, p. 8-pg., 2024-08-19.

Abstract

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. (AU)

• FAPESP's process: 21/10128-0 - Quantum field theory under the influence of external conditions
• Grantee: Dmitry Vasilevich
• Support Opportunities: Research Projects - Thematic Grants