Qubit Zoo

Room-Temperature Quantum Bit Memory Exceeding One Second

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Extending Quantum Memory

        Practical applications in quantum communication and quantum computation require the building blocks—quantum bits and quantum memory—to be sufficiently robust and long-lived to allow for manipulation and storage (see the Perspective by

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Key Results

  • Steger et al.
  • 1280 ) demonstrate that the nuclear spins of 31 P impurities in an almost isotopically pure sample of 28 Si can have a coherence time of as long as 192 seconds at a temperature of ∼1.7 K.

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