Non-linear quantum critical dynamics and fluctuation-dissipation ratios far from equilibrium

Non-linear quantum critical dynamics and fluctuation-dissipation ratios far from equilibrium
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非线性量子临界动力学和远离平衡的涨落耗散比

DOI:
10.1016/j.jmmm.2015.07.106
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发表时间:
2015-11
影响因子:
2.7
通讯作者:
Stefan Kirchner
Stefan Kirchner
中科院分区:
材料科学3区
文献类型:
--
作者:
Farzaneh Zamani;Pedro Ribeiro;Stefan Kirchner

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强相关电子系统的非热相关性和凝聚态物质相的非平衡性质已成为热门研究领域。在这里,概述了在有效温度范围内连续零温相变附近发现的非线性动力学。我们特别关注关键近藤破坏的模型。这种量子临界状态,其中近藤屏蔽以临界方式被破坏,在许多稀土金属间化合物中实现。这增加了通过实验测试有效温度远离平衡的涨落-耗散关系是否存在的可能性。最后,我们根据有效温度对非相互作用的临界参考系统(赝能隙共振能级模型)进行了分析,并将这些结果与在相互作用的量子临界点附近获得的结果进行了对比。
Non-thermal correlations of strongly correlated electron systems and the far-from-equilibrium properties of phases of condensed matter have become a topical research area. Here, an overview of the non-linear dynamics found near continuous zero-temperature phase transitions within the context ofeffectivetemperatures is presented. In particular, we focus on models of critical Kondo destruction. Such a quantum critical state, where Kondo screening is destroyed in a critical fashion, is realized in a number of rare earth intermetallics. This raises the possibility of experimentally testing for the existence of fluctuation-dissipation relations far from equilibrium in terms of effective temperatures. Finally, we present an analysis of a non-interacting, critical reference system, the pseudogap resonant level model, in terms of effective temperatures and contrast these results with those obtained near interacting quantum critical points.
DOI: --
发表时间: 2015-03
期刊: Bulletin of the American Physical Society
影响因子: --
作者:
S. Kirchner;F. Zamani;P. Ribeiro
通讯作者: S. Kirchner;F. Zamani;P. Ribeiro
DOI: 10.1209/0295-5075/100/20001
发表时间: 2009-08
期刊: EPL
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期刊: Physical Review B
影响因子: 3.7
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DOI: 10.1007/978-981-15-2580-3_3
发表时间: 2020-01
期刊: Quantum Many-Body Physics in Open Systems: Measurement and Strong Correlations
影响因子: --
作者:
Yuto Ashida
通讯作者: Yuto Ashida