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has been cited by the following article:

• TITLE: Squeezing Effects on the Estimation Precision of Cut off Frequency

  AUTHORS: Asghar Ullah, Khalid Khan

  KEYWORDS: Quantum Fisher information (QFI), Squeezed Thermal Environment, Qubit Probe, Cut off Frequency

  JOURNAL NAME: Journal of Quantum Information Science, Vol.11 No.1, February 5, 2021

  ABSTRACT: We study the behavior of quantum Fisher information for a qubit probe that is interacting with a squeezed thermal environment. We analyzed the effect of squeezing parameters on the dynamics of quantum Fisher information which affects the optimal precision of the estimation parameter. We show that the squeezed field may offer a significant role in the precise measurement of the parameter cut-off frequency which is linked to the environment correlation time. Our results may be useful in quantum metrology, communication, and quantum estimation processes.