Precision of single-qubit dephasing thermometry is compared across Hermitian, PT-symmetric, and anti-PT-symmetric qubits, with anti-PT claimed best, but the central decoherence model is imported and inconsistent.
Monras, Optimal phase measurements with pure Gaussian states,Phys
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Hermitian vs non-Hermitian quantum thermometry
Precision of single-qubit dephasing thermometry is compared across Hermitian, PT-symmetric, and anti-PT-symmetric qubits, with anti-PT claimed best, but the central decoherence model is imported and inconsistent.