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Pseudogap behavior of nuclear spin relaxation in high Tc superconductors in terms of phase separation

L. P. Gor'kov·G. B. Teitel'baum
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Abstract

We analyze anew experiments on the NMR in cuprates and find an important information on their phase separation and its stripe character hidden in the dependence of $1/^{63}T_{1}$ on degree of doping. In a broad class of materials $1/^{63}T_{1}$ is the sum of two terms: the temperature independent one attributed to ``incommensurate'' stripes that occur at external doping, and an ``universal'' temperature dependent term ascribed to moving metallic and AF sub-phases. We argue that the frustrated first order phase transition in a broad temperature interval bears a dynamical character.

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L. P. Gor'kov, G. B. Teitel'baum. 2004-07-09. Pseudogap behavior of nuclear spin relaxation in high Tc superconductors in terms of phase separation. https://doi.org/10.1134/1.1808849

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