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<p>The low-temperature <i>T</i>-linear resistivity is a generic feature in the strange metal phase of overdoped cuprate superconductors; however, its origin is still not well understood. Based on the <i>t</i>–<i>J</i> model and the full charge-spin recombination scheme, the temperature dependence of electrical resistivity in the strange metal phase of the optimally doped and overdoped cuprates is studied. It is shown that at the optimal doping, the resistivity develops a linear-in-temperature behavior, while in the overdoped regime, the resistivity exhibits a nonlinear behavior which contains <i>T</i>-linear and <i>T</i>-quadratic components. The <i>T</i>-linear resistivity is thought to be dominated by isotropic inelastic scattering in the nodal region of the Fermi surface, where the most quasiparticle spectrum weight is assembled at around the tips of Fermi arcs.</p>

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Study of the T-Linear Resistivity in the Strange Metal Phase of the Hole-Doped Cuprate Superconductors

  • 期刊论文

  • 发表日期：

    2025年2月10日

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  • Ling Qin,
  • Minghuan Zeng

摘要

The low-temperature T-linear resistivity is a generic feature in the strange metal phase of overdoped cuprate superconductors; however, its origin is still not well understood. Based on the t–J model and the full charge-spin recombination scheme, the temperature dependence of electrical resistivity in the strange metal phase of the optimally doped and overdoped cuprates is studied. It is shown that at the optimal doping, the resistivity develops a linear-in-temperature behavior, while in the overdoped regime, the resistivity exhibits a nonlinear behavior which contains T-linear and T-quadratic components. The T-linear resistivity is thought to be dominated by isotropic inelastic scattering in the nodal region of the Fermi surface, where the most quasiparticle spectrum weight is assembled at around the tips of Fermi arcs.