La${}_{2-x}$Ba${}_x$CuO${}_4$ as a superconducting Rosetta Stone

Abstract

The high-temperature superconductivity in layered cuprates discovered by Bednorz and Müller arrived as a shock. Gradually, the presence of competing orders, such as antiferromagnetism and charge order, were discovered; however, the relationship to the superconductivity has been confusing. It so happens that the original cuprate superconductor family La${}_{2-x}$Ba${}_x$CuO${}_4$ contains all of the relevant phases, with extreme competition among them, and analysis of these phases provides strong clues to the nature of the superconductivity in cuprates.

arXiv comment10 pages, 4 figures, accepted manuscript

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Cited by in corpus (1)

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