Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Genuine Phase Diagram of Homogeneously Doped CuO2 Plane in High-Tc
  Cuprate Superconductors   We report a genuine phase diagram for a disorder-free CuO_2 plane based on
the precise evaluation of the local hole density (N_h) by site-selective Cu-NMR
studies on five-layered high-Tc cuprates. It has been unraveled that (1) the
antiferromagnetic metallic state (AFMM) is robust up to N_h=0.17, (2) the
uniformly mixed phase of superconductivity (SC) and AFMM is realized at N_h<
0.17, (3) the tetracritical point for the AFMM/(AFMM+SC)/SC/PM(Paramagnetism)
phases may be present at N_h=0.15 and T=75 K, (4) Tc is maximum close to a
quantum critical point (QCP) at which the AFM order collapses, suggesting the
intimate relationship between the high-Tc SC and the AFM order. The results
presented here strongly suggest that the AFM interaction plays the vital role
as the glue for the Cooper pairs, which will lead us to a genuine understanding
of why the Tc of cuprate superconductors is so high.

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The categories of this paper are: comp-gas
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The categories of this paper are: acc-phys
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The categories of this paper are: atom-ph
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The categories of this paper are: funct-an
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The categories of this paper are: hep-ex
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The categories of this paper are: chao-dyn
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The categories of this paper are: solv-int
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The categories of this paper are: adap-org
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The categories of this paper are: mtrl-th
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The categories of this paper are: gr-qc
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The categories of this paper are: hep-th
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The categories of this paper are: quant-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: econ
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The categories of this paper are: math-ph
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The categories of this paper are: bayes-an