【摘 要】
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The detection of single quantum systems can reveal information that would be averaged out in traditional techniques based on ensemble measurements.The nitrogen-
【机 构】
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Key Laboratory of Microscale Magnetic Resonance and Department of Modem Physics,University of Scienc
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The detection of single quantum systems can reveal information that would be averaged out in traditional techniques based on ensemble measurements.The nitrogen-vacancy (NV) centers in diamond have shown brilliant prospects of performance as quantum bits and atomic sensors under ambient conditions,such as ultra-long coherence time,high fidelity control and readout of the spin state.In particular,the sensitivity of the NV center spin levels to exteal environmental changes makes it a versatile detector capable of measuring various physical quantities,such as temperature,strain,electric fields and magnetic fields.In this paper,we review recent progress in NV-based quantum metrology,and speculate on its future.
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