在量化量子客观性时使用平均互信息的重要性
The importance of using the averaged mutual information when quantifying quantum objectivity
AI总结：
本文强调在量化量子客观性时，必须使用平均互信息而非非平均量子互信息，以避免在信息非均匀编码时产生误导，确保结果具有清晰的操作解释。
摘要：
在量子客观性的背景下，量化一个态的经典性的标准方式是通过系统与其环境不同部分之间的互信息。相关文献中开发的许多通过量子互信息量化量子客观性的工具，都依赖于关于系统的信息对称地泄漏到其环境中的假设。在这项工作中，我们强调了考虑这一假设的重要性，并特别分析了当关于系统的信息以非均匀方式编码到环境中时，将非平均量子互信息作为量子客观性的量化器可能严重误导的情况。另一方面，平均互信息总是提供具有清晰操作解释的结果。
英文摘要：
In the context of quantum objectivity, a standard way to quantify the classicality of a state is via the mutual information between a system and different fractions of its environment. Many of the tools developed in the relevant literature to quantify quantum objectivity via quantum mutual information rely on the assumption that information about the system leaks symmetrically into its environment. In this work, we highlight the importance of taking this assumption into account, and in particular, analyse how taking non-averaged quantum mutual information as a quantifier of quantum objectivity can be severely misleading whenever information about the system is encoded into the environment in a non-homogeneous way. On the other hand, the averaged mutual information always provides results with a clear operative interpretation.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
