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Robustness of spin state superpositions for noisy quantum metrology
Trinidad B. Lantaño, Gabriela Wójtowicz, Susana F. Huelga +1
Quantum metrology faces major challenges in noisy environments, where decoherence rapidly degrades useful quantum resources. We investigate the dynamics of the precision limits giv…
Relativistic Gravity-Induced Entanglement via Frame Dragging
Eyuri Wakakuwa, Luciano Petruzziello, Trinidad B. Lantaño +2
Gravity-induced entanglement has been proposed as a method for testing the non-classical nature of gravity via tabletop experiments. While most existing proposals are restricted to…
Angular Momentum Entanglement Mediated By General Relativistic Frame Dragging
Trinidad B. Lantaño, Luciano Petruzziello, Susana F. Huelga +1
Current proposals to probe the quantum nature of gravity in the low-energy regime predominantly focus on the Newtonian interaction term. In this work, we present a theoretical expl…
Unlocking Heisenberg Sensitivity with Sequential Weak Measurement Preparation
T. B. Lantaño, Dayou Yang, K. M. R. Audenaert +2
We propose a state preparation protocol based on sequential measurements of a central spin coupled with a spin ensemble, and investigate the usefulness of the generated multi-spin…