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arXiv · 2109.06846

Amplitude-squared squeezing of Schr\"odinger cat states via Postselected von Neumann Measurement

Nuerbiya Aishan·Taximaiti Yusufu·Yusuf Turek
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Abstract

We know that the original Schr\"odinger cat states has no amplitude-squared squeezing. In this paper, we investigate the amplitude-squared squeezing of Schr\"odinger cat states using postselected von Neumann measurement. The results show that after postselected von Neumann measurement, the amplitude-squared squeezing of Schr\"odinger cat states change dramatically and this can be considered a result of weak value amplification. The squeezing effect also investigated by studying the Wigner function of Schr\"odinger cat states after postselected measurement.

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Nuerbiya Aishan, Taximaiti Yusufu, Yusuf Turek. 2021-09-14. Amplitude-squared squeezing of Schr\"odinger cat states via Postselected von Neumann Measurement. https://doi.org/10.1140/epjp/s13360-022-02441-z

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