Quantum metrology based on strongly correlated matter

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United States of America Patent

PATENT NO 10712406
APP PUB NO 20190219644A1
SERIAL NO

16235060

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Abstract

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A method for quantum metrology using stable non-equilibrium states of quantum matter, such as many-body quantum spin systems, is disclosed. The approach can utilize quantum correlations in such many-body quantum spin systems stabilized by strong interactions and periodic driving for reduction of noise. As an example, an exemplary protocol to perform Floquet enhanced measurements of an oscillating magnetic field in Ising-interacting spin systems is provided. These approaches allow for circumvention of the interaction-induced decoherence associated with high density spin ensembles and is robust to the presence of noise and imperfections. The protocol is applicable to nanoscale magnetic sensing and other precision measurements.

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THE REGENTS OF THE UNIVERSITY OF CALIFORNIA1111 FRANKLIN STREET 12TH FLOOR OAKLAND CA 94607-5200

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Soonwon Cambridge, US 13 39
Lukin, Mikhail D Cambridge, US 29 441
Yao, Norman Berkeley, US 3 67

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