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Showing 1–8 of 8 results
Advanced filters: Author: Bingtian Ye Clear advanced filters

  • Spin defects in 2D materials offer practical advantages for quantum sensing over their 3D counterparts. Here, the authors demonstrate quantum sensing under high pressure using boron vacancy centers in hBN placed inside a diamond anvil cell and use it to detect both stress gradient inside the pressure chamber and pressure-induced magnetic phase transitions.

    • Guanghui He
    • Ruotian Gong
    • Chong Zu
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-8

  • Isotope engineering can enhance spin coherence of solid-state defects, such as NV centers in diamond but progress for defects in hBN has been limited. Gong et al. report the optimization of isotopes in hBN and demonstrate improved coherence and relaxation times for the negatively charged boron vacancy centers.

    • Ruotian Gong
    • Xinyi Du
    • Chong Zu
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • Generating highly squeezed states for quantum sensing requires precise entanglement properties, which makes it a hard task. Now a conjecture identifies a realistic regime of magnetic order at finite temperatures that enables scalable spin squeezing.

    • Maxwell Block
    • Bingtian Ye
    • Norman Y. Yao
    Research
    Nature Physics
    Volume: 20, P: 1575-1581

  • In the dipolar XY model, quench dynamics from a polarized initial state lead to spin squeezing that improves with increasing system size, and two refinements show further enhanced squeezing and extended lifetime of the squeezed state by freezing its dynamics.

    • Guillaume Bornet
    • Gabriel Emperauger
    • Antoine Browaeys
    Research
    Nature
    Volume: 621, P: 728-733

  • Probing strongly interacting quantum systems with high spatial resolution can be challenging. An experiment now uses disorder in nuclear spin chains as a local probe to investigate spin and energy hydrodynamics.

    • Pai Peng
    • Bingtian Ye
    • Paola Cappellaro
    Research
    Nature Physics
    Volume: 19, P: 1027-1032

  • The boron vacancy center in hBN has been intensively studied, but its characterizations have remained limited. Here the authors achieve a 5-fold enhancement of coherence time using dynamical decoupling, which enables the direct estimation of defect concentration and its electric field susceptibility.

    • Ruotian Gong
    • Guanghui He
    • Chong Zu
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-10