Quantum Liouville-space approach to strongly correlated quantum impurity systems

来源 :2012年理论与高性能计算化学国际会议(ICT-HPCC12) | 被引量 : 0次 | 上传用户：wjh75

【摘要】

：

【作者】

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Xiao Zheng JianHua Wei YiJing Yan

【机构】

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Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technol

【出处】

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2012年理论与高性能计算化学国际会议(ICT-HPCC12)

【发表日期】

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2012年7期

【关键词】

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quantum dissipation theory open systems strong electron correlation Kondo effect

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A hierarchical equations of motion based numerical approach is developed for accurate and efficient evaluation of dynamical observables of strongly correlated quantum impurity systems.This approach is capable of describing quantitatively Kondo resonance and Fermi liquid characteristics,achieving the accuracy of latest high-level numerical renormalization group approach,as demonstrated on single-impurity Anderson model systems.

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