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| 摘要: |
| 本文先研究了一类三体态的量子失协, 而后将其推广到N体态.本文给出的计算公式推广了现有多体态量子失协的研究成果. 进一步,本文根据量子态中体的个数和泡利矩阵对量子失协计算的影响,将N体态的量子失协分为五类进行表征. |
| 关键词: 量子失协 多体态 条件测量 |
| DOI： |
| 分类号:O413.1 |
| 基金项目:国家自然科学基金资助(12271394);山西省重点研发计划项目基金资助(202102 010101004). |
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| QUANTUM DISCORD FOR A FAMILY OF MULTIPARTITE STATES |
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NI Hui,WANG Li,HE Kan
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| Abstract: |
| This paper initially investigates the quantum discord of a speciflc class of three-qubit states and provides a comprehensive calculation process. Subsequently, using this three-qubit quantum discord calculation methodology, we derive analytical results for a family of N-qubit states. The analysis methodology outlined herein amplifles the prevailing flndings on quantum discord in multipartite systems. Moreover, based on the influence of the number of constituents in the states and the Pauli matrix on quantum discord evaluation, we identify that the quantum discord for this N-qubit family can be classifled into flve distinct categories. |
| Key words: quantum discord multipartite states conditional measurement |
