On detection of quasiclassical states
英文摘要：
We give a criterion of classicality for mixed states in terms of expectation values of a quantum observable. Using group representation theory we identify all cases when the criterion can be computed exactly in terms of the spectrum of a single operator.
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。
