Abstract
According to operator-sum representation theory, we have identified infinite-dimensional Kraus operators for describing a thermal channel with self-Kerr interaction after directly solving the corresponding master equation by virtue of thermo entangled state. Then we also prove in detail that Kraus operators hold the normalization. As an example, we exactly calculate the evolving result of a chaotic field in the thermal environment with the Kerr medium and find that the chaotic field evolves into a new chaotic field unaffected by the coupling factor with the Kerr medium.
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Supported by the National Natural Science Foundation of China (Grant No. 11174114), the National Science Foundation of the Jiangsu Higher Education Institutions of China (Grant No. 12KJD140001, as well as the Special Fund for Theoretical Physics from the National Natural Science Foundation of China (Grant No. 11247301).
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Li, HM., Wang, S., Wang, Z. et al. Infinite-Dimensional Kraus Operators for Describing a Thermal Channel with Self-Kerr Interaction. Int J Theor Phys 53, 830–836 (2014). https://doi.org/10.1007/s10773-013-1871-1
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DOI: https://doi.org/10.1007/s10773-013-1871-1