Scaling of the local quantum uncertainty at quantum phase transitions
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- 作者：I.B. Coulamy ; J.H. Warnes ; M.S. Sarandy ; msarandy@if.uff.br" class="auth_mail" title="E-mail the corresponding author ; A. Saguia
- 关键词：Quantum phase transitions ; Quantum correlations ; Quantum information theory
- 刊名：Physics Letters A
- 出版年：2016
- 出版时间：29 April 2016
- 年：2016
- 卷：380
- 期：20
- 页码：1724-1728
- 全文大小：555 K
文摘
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LQU is suitable for the analysis of block correlations.
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LQU exhibits pronounced behavior at quantum phase transitions.
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LQU exponentially saturates in the quantum search.
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Concavity of LQU indicates criticality in the Ising chain.