Relativistic Quantum Metrology in Open System Dynamics

  title={Relativistic Quantum Metrology in Open System Dynamics},
  author={Zehua Tian and Jieci Wang and Heng Fan and Jiliang Jing},
  journal={Scientific Reports},
Quantum metrology studies the ultimate limit of precision in estimating a physical quantity if quantum strategies are exploited. Here we investigate the evolution of a two-level atom as a detector which interacts with a massless scalar field using the master equation approach for open quantum system. We employ local quantum estimation theory to estimate the Unruh temperature when probed by a uniformly accelerated detector in the Minkowski vacuum. In particular, we evaluate the Fisher… 

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