Evolution of spin excitations in superconducting ${\mathrm{La}}_{2−x}{\mathrm{Ca}}_{x}{\mathrm{CuO}}_{4−δ}$ from the underdoped to the heavily overdoped regime
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论文利用 RIXS 研究宽掺杂范围铜酸盐中的高能自旋激发，并使用偏振分析和入射能量失谐区分激发成分。
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Author(s): S. Hameed, Y. Liu, M. Knauft, K. S. Rabinovich, G. Kim, G. Christiani, G. Logvenov, F. Yakhou-Harris, A. V. Boris, B. Keimer, and M. Minola We investigate high-energy spin excitations in hole-doped ${\mathrm{La}}_{2−x}{\mathrm{Ca}}_{x}{\mathrm{CuO}}_{4−δ}$ (LCCO) films across a broad Ca doping range ($x=0.05–0.50$) using resonant inelastic x-ray scattering (RIXS). Polarization analysis and incident-photon energy detuning measurements co… [Phys. Rev. B 114, 074513] Published Thu Aug 27, 2026