作者：CAIQing-yu; LIBai-wen未知态量子操作量子力学开放量子系统量子态
摘要：We analyze the oonnection between quantum operations and accessible information. And we find that the accessible information decreases under quantum operations. We show that it is impossible to perfectly manipulate an unknown state in an open quantum system. That the accessible information decreases under quantum operations gives a fundamental limitation in the microscopic world.
注：因版权方要求，不能公开全文，如需全文，请咨询杂志社
