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24 August 2019
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The electronic specific heat in the pairing pseudogap regime
C. P. Moca ; B. Janko ;
Rating Members: 2.66/5 (1 reader)
Date 9 May 2001
Subject Superconductivity; Strongly Correlated Electrons | cond-mat.supr-con cond-mat.str-el
AbstractWhen pairing correlations in a quasi two dimensional electron system induce a pseudogap in the single particle density of states, the specific heat must also contain a sizeable pair contribution. The theoretically calculated specific heat for such a system is compared to the experimental results of Loram and his collaborators for underdoped YBa_2Cu_3O_{6+x} and La_{2-x}Sr_{x}CuO_4 samples. The size and doping dependence of the extracted pseudogap energy scale for both materials is comparable to the values obtained from a variety of other experiments.
Source arXiv, cond-mat/0105202
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