Excitation Of A Bosonic Mode By Electron Tunneling Into A Cuprate Superconductor Ndba_2cu_3o_(7-δ)

P. Das; M. R. Koblischka; H. Rosner; Th. Wolf; U. Hartmann

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Excitation Of A Bosonic Mode By Electron Tunneling Into A Cuprate Superconductor Ndba_2cu_3o_(7-δ)

机译：电子隧穿到铜酸盐超导体Ndba_2cu_3o_（7-δ）中的电子隧穿激发波模式

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We performed scanning tunneling spectroscopic experiments on hole-doped NdBa_2Cu_3O_(7-δ). The d//dV curves obtained at 4.2 K are asymmetric with clear peak, dip, and hump structures. Energy derivatives of these curves show peaks at energies beyond the dip features. Highly precise full potential band-structure calculations confirm a featureless electronic density of states in that energy region. Our results indicate that tunneling electrons couple to a collective mode in the CuO_2 plane.

机译：我们对空穴掺杂的NdBa_2Cu_3O_（7-δ）进行了扫描隧道光谱实验。在4.2 K下获得的d // dV曲线是不对称的，具有清晰的峰，谷和峰结构。这些曲线的能量导数显示出超过倾角特征的能量峰值。高度精确的全势能带结构计算确认了该能量区域内状态的无特征电子密度。我们的结果表明，隧道电子耦合到CuO_2平面中的集体模式。

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《Physical review》 |2008年第21期|660-664|共5页
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P. Das; M. R. Koblischka; H. Rosner; Th. Wolf; U. Hartmann;
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nonconventional mechanisms (spin fluctuations, polarons and bipolarons, resonating valence bond model, anyon mechanism, marginal fermi liquid, luttinger liquid, etc.); electronic structure; tunneling phenomena; point contacts, weak links, josephson effects; other cuprates, including Tl and Hg-based cuprates;

机译：非常规机制（自旋涨落;极化子和双极化子;共振价键模型;任意子机制;边缘费米液体;卢汀液体等）;电子结构;隧道现象;点接触;薄弱环节;约瑟夫森效应;其他铜价;包括基于Tl和Hg的铜价;

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1. Bosonic excitations and electron pairing in an electron-doped cuprate superconductor [J] . M. C. Wang, H. S. Yu, J. Xiong, Physical review. B, Condensed Matter And Materals Physics . 2018,第15期

机译：电子掺杂的铜酸盐超导体中的玻色子激发和电子对
2. Bosonic excitations and electron pairing in an electron-doped cuprate superconductor [J] . Wang M. C., Yu H. S., Xiong J., Physical review, B . 2018,第15期

机译：电子掺杂铜酸铜超导体中的旋转激发和电子配对
3. Effects of Pairing Potential Scattering on Fourier-Transformed Inelastic Tunneling Spectra of High-T_c Cuprate Superconductors with Bosonic Modes [J] . Jian-Xin Zhu, K. McElroy, J. Lee, Physical review letters . 2006,第17期

机译：配对势能散射对高T_c玻纤高硼酸超导体傅里叶变换的非弹性隧穿谱的影响
4. The electron energy spectra of YBa_2Cu_3O_(7-δ) cuprate superconductor [C] . Radhika Chauhan, B. D. Indu International Conference on Condensed Matter and Applied Physics . 2020

机译：YBA_2CU_3O_（7-δ）铜制超导体的电子能谱
5. Electron tunneling studies of the cuprate superconductors yttrium barium cuprate and bismuth strontium calcium cuprate. [D] . Lee, Mark. 1991

机译：铜酸盐超导体钇钡钡和铜锶铋钙的电子隧穿研究。
6. Coupling of a high-energy excitation to superconducting quasiparticles in a cuprate from coherent charge fluctuation spectroscopy [O] . Barbara Mansart, José Lorenzana, Andreas Mann, 2013

机译：相干电荷涨落光谱法研究高能激发与铜酸盐中超导准粒子的耦合
7. Excitation of a bosonic mode by electron tunneling into a cuprate superconductor NdBa₂Cu₃O_7-δ [O] . Das, P., Koblischka, M., Rosner, H., 2008

机译：通过电子隧穿到铜酸盐超导体中激发玻色子模式NdBa _{2 Cu _{3 O _7-δ}}

Excitation Of A Bosonic Mode By Electron Tunneling Into A Cuprate Superconductor Ndba_2cu_3o_(7-δ)

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