AnaBHEL (Analog Black Hole Evaporation via Lasers) Experiment: Concept, Design, and Status

• URL: http://arxiv.org/abs/2205.12195v3
• Date: Fri, 10 Jun 2022 14:52:05 GMT
• Title: AnaBHEL (Analog Black Hole Evaporation via Lasers) Experiment: Concept, Design, and Status
• Authors: AnaBHEL Collaboration: Pisin Chen, Gerard Mourou, Marc Besancon, Yuji Fukuda, Jean-Francois Glicenstein, Jiwoo Nam, Ching-En Lin, Kuan-Nan Lin, Shu-Xiao Liu, Yung-Kun Liu, Masaki Kando, Kotaro Kondo, Stathes Paganis, Alexander Pirozhkov, Hideaki Takabe, Boris Tuchming, Wei-Po Wang, Naoki Watamura, Jonathan Wheeler, Hsin-Yeh Wu
• Abstract summary: Accelerating relativistic mirror has long been recognized as a viable setting where the physics mimics that of black hole Hawking radiation. Chen and Mourou proposed a novel method to realize such a system by traversing an ultra-intense laser through a plasma target with a decreasing density. An international AnaBHEL Collaboration has been formed with the objectives of observing the analog Hawking radiation and shedding light on the information loss paradox.
• Score: 37.89976990030855
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Accelerating relativistic mirror has long been recognized as a viable setting where the physics mimics that of black hole Hawking radiation. In 2017, Chen and Mourou proposed a novel method to realize such a system by traversing an ultra-intense laser through a plasma target with a decreasing density. An international AnaBHEL (Analog Black Hole Evaporation via Lasers) Collaboration has been formed with the objectives of observing the analog Hawking radiation and shedding light on the information loss paradox. To reach these goals, we plan to first verify the dynamics of the flying plasma mirror and to characterize the correspondence between the plasma density gradient and the trajectory of the accelerating plasma mirror. We will then attempt to detect the analog Hawking radiation photons and measure the entanglement between the Hawking photons and their "partner particles". In this paper, we describe our vision and strategy of AnaBHEL using the Apollon laser as a reference, and we report on the progress of our R&D of the key components in this experiment, including the supersonic gas jet with a graded density profile, and the superconducting nanowire single-photon Hawking detector. In parallel to these hardware efforts, we performed computer simulations to estimate the potential backgrounds, and derive analytic expressions for modifications to the blackbody spectrum of Hawking radiation for a perfectly reflecting, point mirror, due to the semit-ransparency and finite-size effects specific to flying plasma mirrors. Based on this more realistic radiation spectrum, we estimate the Hawking photon yield to guide the design of the AnaBHEL experiment, which appears to be achievable.

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