A Hawking time crystal arises from self-amplification of spontaneous Hawking radiation in a quantum black-hole laser, producing periodic out-of-time density correlations while equal-time observables remain time-independent.
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Derives an effective relativistic QFT on a dispersive cosmological spacetime from a BEC with time-dependent scattering length, showing trans-Planckian damping that violates scale invariance in analog expanding universes but converges to a new UV plateau.
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Time Crystal from Self-Amplification of Spontaneous Analog Hawking Radiation
A Hawking time crystal arises from self-amplification of spontaneous Hawking radiation in a quantum black-hole laser, producing periodic out-of-time density correlations while equal-time observables remain time-independent.
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Superluminal modes in a quantum field simulator for cosmology from analog trans-Planckian physics
Derives an effective relativistic QFT on a dispersive cosmological spacetime from a BEC with time-dependent scattering length, showing trans-Planckian damping that violates scale invariance in analog expanding universes but converges to a new UV plateau.