Multilevel anharmonic transmon probes extract more quantum Fisher information about temperature than qubit probes, with bounded anharmonic models confirming robustness beyond the Duffing regime.
Experimental extraction of coherent ergotropy and its energetic cost in a superconducting qubit , volume=
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Thermometry with multilevel transmon probes
Multilevel anharmonic transmon probes extract more quantum Fisher information about temperature than qubit probes, with bounded anharmonic models confirming robustness beyond the Duffing regime.