Analytical QFI calculations for finite-size spin chain at strong coupling show thermometry advantages at low T and large errors from neglecting FS effects or using phenomenological models.
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Finite-Size Effects in Quantum Metrology at Strong Coupling: Microscopic vs Phenomenological Approaches
Analytical QFI calculations for finite-size spin chain at strong coupling show thermometry advantages at low T and large errors from neglecting FS effects or using phenomenological models.