Hawking radiation from an analogue bouncing geometry

Abstract

We propose a setting that simulates Hawking radiation from an analogue bouncing geometry, i.e., a collapsing geometry that reverts its collapse after a finite time, in a setup consisting of a coplanar waveguide terminated in superconducting quantum-interference devices at both ends. We demonstrate experimental feasibility of the proposed setup within the current technology. Our analysis illustrates the resilience of Hawking radiation under changes in the physics at energy scales much larger than the temperature, supporting the idea that regular alternatives to black holes would also emit Hawking radiation.

7 pages, 2 figures

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• Analogue simulation of quantum gravity black hole models in a dc-SQUID array
• Quantum entanglement of Hawking-Partner modes in expanding cavities