HIGHLIGHTS
- who: Louis Garbe from the Vienna Center for Quantum Science and Technology, Atominstitut, TU Wien, Vienna, Austria Newcastle University have published the article: Exponential time-scaling of estimation precision by reaching a quantum critical point, in the Journal: (JOURNAL) of 26/Oct/2022
- what: The authors report a scheme where the quantum Fisher information features an exponential scaling with the protocol duration. Using both detailed numerical simulations and the analytical bound recently introduced in Ref , the authors show that this exponential time growth of N is carried over to the estimation precision. CRITICAL FULLY CONNECTED . . .
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