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Abstract

In high-T c cuprates, the conventional criteria for the metallic transport, the Mott limit, is apparently violated. In this article, the basic idea of the Mott limit is reviewed and its applicability to the cuprates is carefully examined in the light of the recent knowledge about the electronic structure that involves the unusual “Fermi arcs”. Also, a possible way to apply the Boltzmann transport theory to the Fermi arcs is proposed, and it is discussed that the apparent Mott-limit violation can in principle be understood in this conventional framework. Lastly, it is shown that the peculiarities of the charge transport in cuprates is strikingly manifested in the phase diagram that features an unusual insulating phase at low temperature throughout the doping range where the Fermi arcs govern the low-energy physics.

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Annette Bussmann-Holder Hugo Keller

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© 2007 Springer-Verlag Berlin Heidelberg

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Ando, Y. (2007). Mott Limit in High-T c Cuprates. In: Bussmann-Holder, A., Keller, H. (eds) High Tc Superconductors and Related Transition Metal Oxides. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-71023-3_2

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