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Pseudogap behavior of nuclear spin relaxation in high-T c superconductors in terms of phase separation

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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 strip character hidden in the dependence of 1/63 T 1 on the 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” strips that occur at external doping and a “universal” temperature-dependent term ascribed to moving metallic and antiferromagnetic subphases. We argue that the frustrated first-order phase transition in a broad temperature interval bears a dynamical character.

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Authors and Affiliations

  1. National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, 32310, USA

    L. P. Gor’kov

  2. Landau Institute for Theoretical Physics, Chernogolovka, Moscow region, 142432, Russia

    L. P. Gor’kov

  3. Zavoiskii Institute for Technical Physics, Russian Academy of Sciences, Kazan, 420029, Russia

    G. B. Teitel’baum

Authors
  1. L. P. Gor’kov
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  2. G. B. Teitel’baum
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Additional information

From Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 80, No. 3, 2004, pp. 221–225.

Original English Text Copyright © 2004 by Gor’kov, Teitel’baum.

This article was submitted by the authors in English.

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Gor’kov, L.P., Teitel’baum, G.B. Pseudogap behavior of nuclear spin relaxation in high-T c superconductors in terms of phase separation. Jetp Lett. 80, 195–199 (2004). https://doi.org/10.1134/1.1808849

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  • DOI: https://doi.org/10.1134/1.1808849

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