Evidence for Correlated Dynamics near the Berezinskii-Kosterlitz-Thouless-like Transition in Highly Underdoped La$_{2-x}$Sr$_{x}$CuO$_{4}$

Dragana Popovi\'c; Xiaoyan Shi; Zhenzhong Shi

arxiv: 1604.01047 · v2 · pith:PTRIEQKKnew · submitted 2016-04-04 · ❄️ cond-mat.supr-con

Evidence for Correlated Dynamics near the Berezinskii-Kosterlitz-Thouless-like Transition in Highly Underdoped La_(2-x)Sr_(x)CuO₄

Zhenzhong Shi , Xiaoyan Shi , Dragana Popovi\'c This is my paper

classification ❄️ cond-mat.supr-con

keywords correlateddynamicshighlyneartransitionunderdopedbehaviorberezinskii-kosterlitz-thouless

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A low-frequency resistance noise study in highly underdoped thick films of La$_{2-x}$Sr$_{x}$CuO$_{4}$ ($x=0.07$ and 0.08) reveals slow, correlated dynamics and breaking of ergodicity near the superconducting transition of the Berezinskii-Kosterlitz-Thouless type. The observed correlated behavior is strongly suppressed by disorder.

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Evidence for Correlated Dynamics near the Berezinskii-Kosterlitz-Thouless-like Transition in Highly Underdoped La_(2-x)Sr_(x)CuO₄

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