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Fermionic analogue of black hole radiation with a super high Hawking temperature
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Measurement of gravitational Hawking radiation of black hole (BH) is prohibitive because of an extremely low Hawking temperature (TH). Here we demonstrate a fermionic analog of BH with a super high TH ~ 3 K, which is several orders of magnitude higher than previous works. We propose that Floquet-Dirac states, formed in a periodically laser driven two-dimensional black phosphorous thin film, can be designed with a spatial gradient to mimic the "gravity" felt by fermionic quasiparticles as that for a Schwarzschild BH (SBH). Quantum tunneling of electrons from a type-II Dirac cone (inside BH) to a type-I Dirac cone (outside) emits a SBH-like Hawking radiation spectrum.
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Cited by 1 Pith paper
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Optical Black-hole Analog Created by Topological Phase Transition with a Long-lived Horizon
A photonic lattice with a type-II to type-I Dirac-cone transition is proposed as an optical black-hole analog with a predicted Hawking temperature of 0.14 mK.
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