A flawed analytical study of quantum Fisher information for Dirac particles under SGAD noise near a Schwarzschild black hole claims squeezing mitigates Hawking-induced decoherence, but the density matrix derivation is invalid.
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Quantum Fisher Information in Curved Spacetime: Dirac Particles in Noisy Channels around a Schwarzschild Black Hole
A flawed analytical study of quantum Fisher information for Dirac particles under SGAD noise near a Schwarzschild black hole claims squeezing mitigates Hawking-induced decoherence, but the density matrix derivation is invalid.