Stripe Correlations of Spins and Holes and Phonon Heat Transport in Doped La_2CuO_4

A. Freimuth (Physikalisches Institut; A. Lang; B. B\"uchner (II. Physikalisches Institut; Germany); M. H\"ucker; O. Baberski; O. Maldonado; Universit\"at Karlsruhe; Universit\"at zu K\"oln

arxiv: cond-mat/9712047 · v1 · submitted 1997-12-03 · ❄️ cond-mat.supr-con · cond-mat.str-el

Stripe Correlations of Spins and Holes and Phonon Heat Transport in Doped La₂CuO₄

O. Baberski , A. Lang , O. Maldonado , M. H\"ucker , B. B\"uchner (II. Physikalisches Institut , Universit\"at zu K\"oln , Germany) , A. Freimuth (Physikalisches Institut

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Universit\"at Karlsruhe

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classification ❄️ cond-mat.supr-con cond-mat.str-el

keywords correlationsdopedheatholesphononspinsstripesuppression

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We present experimental evidence for a dramatic suppression of the phononic thermal conductivity of rare earth and Sr doped La_2CuO_4. Remarkably, this suppression correlates with the occurrence of superconductivity. Conventional models for the phonon heat transport fail to explain these results. In contrast, a straightforward explanation is possible in terms of static and dynamic stripe correlations of holes and spins.

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Stripe Correlations of Spins and Holes and Phonon Heat Transport in Doped La₂CuO₄

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