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de Mello EV, Kasal RB, Passos CA. Electronic phase separation transition as the origin of the superconductivity and pseudogap phase of cuprates. J Phys Condens Matter. 2009;21(23):235701doi: 10.1088/0953-8984/21/23/235701.
de Mello, E. V., Kasal, R. B., & Passos, C. A. (2009). Electronic phase separation transition as the origin of the superconductivity and pseudogap phase of cuprates. Journal of physics. Condensed matter : an Institute of Physics journal, 21(23), 235701. https://doi.org/10.1088/0953-8984/21/23/235701
de Mello, E V L, et al. "Electronic phase separation transition as the origin of the superconductivity and pseudogap phase of cuprates." Journal of physics. Condensed matter : an Institute of Physics journal vol. 21,23 (2009): 235701. doi: https://doi.org/10.1088/0953-8984/21/23/235701
de Mello EV, Kasal RB, Passos CA. Electronic phase separation transition as the origin of the superconductivity and pseudogap phase of cuprates. J Phys Condens Matter. 2009 Jun 10;21(23):235701. doi: 10.1088/0953-8984/21/23/235701. Epub 2009 May 07. PMID: 21825593.
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J Phys Condens Matter. 2009 Jun 10;21(23):235701. doi: 10.1088/0953-8984/21/23/235701. Epub 2009 May 07.

Electronic phase separation transition as the origin of the superconductivity and pseudogap phase of cuprates.

Journal of physics. Condensed matter : an Institute of Physics journal

E V L de Mello, R B Kasal, C A C Passos

Affiliations

  1. Instituto de Física, Universidade Federal Fluminense, Niterói, RJ 24210-340, Brazil.

PMID: 21825593 DOI: 10.1088/0953-8984/21/23/235701

Abstract

To deal with the physics of cuprate superconductivity we propose an electronic phase separation transition that segregates the holes into high and low density domains. The calculated grain boundary potential favors the development of intragrain superconducting amplitudes. The zero resistivity transition arises only when the intergrain Josephson coupling E(J) is of the order of the thermal energy and phase locking takes place among the superconducting grains. We show that this approach explains the pseudogap and superconducting phases and it also reproduces some recent scanning tunneling microscopy data.

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