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Global Quantum Discord derived from Tsallis entropy in Multipartite systems : 살리스 엔트로피로 일반화 한 글로벌 양자 discord
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- Authors
- Advisor
- 김도한
- Major
- 자연과학대학 수리과학부
- Issue Date
- 2013-02
- Publisher
- 서울대학교 대학원
- Keywords
- quantum discord ; Global quantum discord ; Tsallis entropy ; monogamy
- Description
- 학위논문 (박사)-- 서울대학교 대학원 : 수리과학부, 2013. 2. 김도한.
- Abstract
- In this dissertation, we introduce the generalized global quantum discord, called the q-global quantum discord
(q-GQD), which is dened in terms of the quantum Tsallis entropy, and obtain the analytical expressions of q-GQD for
the special classe of multi-qubit states. Furthermore, we show a monogamy inequality for pairwise quantum correlation, which implies that the sum of pairwise quantum correlations is upper bounded by multipartite quantum correlation with respect to q-GQD.
- Language
- English
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