CsFe2As2中主要的面内对称弹性阻力
Dominant in-plane symmetric elastoresistance in CsFe2As2
摘要：
研究了高关联材料CsFe_2As_2在所有对称通道中的弹性电阻。通过基于压电的应变单元来中和其热膨胀被证明是必不可少的。在平面内对称通道的弹性电阻响应被发现是大的，而在破裂通道的响应较弱，并提供了一个发散的磁化率没有证据。相反，我们的结果可以解释自然的框架内的相干-非相干交叉，其中的低温相干态的面内原子的距离敏感地调谐。
英文摘要：
We study the elastoresistance of the highly correlated material CsFe2As2 in all symmetry channels. Neutralizing its thermal expansion by means of a piezoelectric-based strain cell is demonstrated to be essential. The elastoresistance response in the in-plane symmetric channel is found to be large, while the response in the symmetry-breaking channels is weaker and provides no evidence for a divergent nematic susceptibility. Rather, our results can be interpreted naturally within the framework of a coherence-incoherence crossover, where the low-temperature coherent state is sensitively tuned by the in-plane atomic distances.
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