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Nonclassical correlations for quantum metrology in thermal equilibrium
Akira Sone, Quntao Zhuang, Changhao Li +2
Nonclassical correlations beyond entanglement might provide a resource in quantum information tasks, such as quantum computation or quantum metrology. Quantum discord is a measure…
Quantum Hamiltonian Identifiability via a Similarity Transformation Approach and Beyond
Yuanlong Wang, Daoyi Dong, Akira Sone +3
The identifiability of a system is concerned with whether the unknown parameters in the system can be uniquely determined with all the possible data generated by a certain experime…
Quantifying precision loss in local quantum thermometry via diagonal discord
Akira Sone, Quntao Zhuang, Paola Cappellaro
When quantum information is spread over a system through nonclassical correlation, it makes retrieving information by local measurements difficult---making global measurement neces…