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quant-ph2025
Existence of universal resource and uselessness of too entangled states for quantum metrology
Rina Miyajima, Yuki Takeuchi, Seiseki Akibue
We show (i) the existence of universal resource states for a certain class of linear Hamiltonians and (ii) the uselessness of highly entangled states for quantum metrology of linea…
quant-ph2022★ 5 cited
Advance sharing of quantum shares for classical secrets
Rina Miyajima, Ryutaroh Matsumoto
Secret sharing schemes for classical secrets can be classified into classical secret sharing schemes and quantum secret sharing schemes. Classical secret sharing has been known to…