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Related Experiment Videos

Decoherence Control of Nitrogen-Vacancy Centers.

Chao Lei1,2,3, Shijie Peng1, Chenyong Ju1,2

  • 1Hefei National Laboratory for Physics Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, 230026, China.

Scientific Reports
|September 22, 2017
PubMed
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Researchers developed new pulse sequences to control decoherence in Nitrogen-Vacancy (NV) centers. This method aids in simulating open quantum systems, crucial for quantum biology and information processing.

Area of Science:

  • Quantum Physics
  • Quantum Information Science

Background:

  • Quantum systems lose coherence via decoherence when interacting with environments.
  • While often detrimental, controlled decoherence is vital for quantum biology and open quantum system simulations.
  • Nitrogen-Vacancy (NV) centers are a key platform for quantum information processing.

Purpose of the Study:

  • To develop novel steering pulse sequences for controlling decoherence in NV centers.
  • To enable precise manipulation of coherence times in NV centers for quantum simulations.

Main Methods:

  • A hybrid approach combining digital and analog quantum simulation techniques.
  • Dynamically coupling and decoupling NV centers from their physical environment using tailored pulse sequences.
  • Numerical simulations using experimentally feasible parameters.

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Main Results:

  • Demonstrated external control over decoherence in NV centers.
  • Achieved significant control over various coherence times.
  • Validated the effectiveness of the hybrid simulation approach.

Conclusions:

  • External control of decoherence in NV centers is achievable.
  • The developed pulse sequences offer a powerful tool for simulating open quantum systems.
  • This work advances the use of NV centers in quantum information processing and quantum biology.