Decoherence suppression from disturbance of the environment is an essential task in quantum information processing. We investigate the restoration of a qutrit system interacting with a zero-temperature reservoir from amplitude-phase decoherence sources by employing the environment-assisted measurement and reversal (EMR) operation. In particular, by solving the master equation, we get the exact analytical or numerical simulations expressions of the optimal final restoration, showing explicitly that the EMR does indeed can recovery qutrit states.

中文翻译：

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利用环境辅助测量和反演从振幅相位退相干恢复量子量子态系统

抑制环境干扰引起的退相干是量子信息处理中必不可少的任务。我们通过采用环境辅助测量和逆向（EMR）操作研究了与振幅相消相干源相互作用的零温度储层与Qutrit系统的关系。特别地，通过求解主方程，我们获得了最佳最终还原的精确解析或数值模拟表达式，明确表明EMR确实可以恢复qutrit状态。