Role of charge fluctuation in Q1D organic superconductor (TMTSF) _2ClO_4

Mizuno Y.; Kobayashi A.; Suzumura Y.

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Role of charge fluctuation in Q1D organic superconductor (TMTSF) _2ClO_4

机译：电荷波动在Q1D有机超导体（TMTSF）_2ClO_4中的作用

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We have theoretically investigated the spin and charge fluctuations in the quasi-one dimensional organic superconductor (TMTSF)_2ClO_4. Using the extended multi-site Hubbard model, which contains four sites in a unit cell and the transfer energies obtained by the extended Hückel method, we calculate the linearized gap equation with the random phase approximation, to find novel order parameters of superconductivity due to several kinds of charge fluctuations induced by the anisotropic intersite repulsive interactions. For the singlet state, the order parameter with line nodes appears in the case of the strong charge fluctuation, while the order parameter with anisotropic gap suggested by Shimahara is reproduced in the spin fluctuation. The triplet state is also obtained for the wide parameter range of repulsive interactions due to a cooperation between charge and spin fluctuations.

机译：我们从理论上研究了准一维有机超导体（TMTSF）_2ClO_4的自旋和电荷涨落。使用扩展的多站点哈伯德模型，该模型包含一个单位单元中的四个位点，以及通过扩展Hückel方法获得的转移能，我们用随机相位近似计算线性化缝隙方程，以发现由于多个原因而产生的新的超导阶参数各向异性的位点间相互排斥作用引起的各种电荷波动。对于单重态，在强烈的电荷起伏情况下会出现带有线节点的阶跃参数，而在自旋起伏过程中会重现岛原建议的具有各向异性间隙的阶跃参数。由于电荷和自旋涨落之间的协作，在排斥作用的较宽参数范围内也获得了三重态。

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《Physica, C. Superconductivity and its applications》 |2011年第4期|共6页
作者
Mizuno Y.; Kobayashi A.; Suzumura Y.;
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正文语种 eng
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Charge fluctuation; Electron correlation; Organic conductor; Spin fluctuation; Superconductivity; TMTSF;

机译：电荷起伏;电子相关;有机导体;自旋起伏;超导;TMTSF;

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专利

1. Role of charge fluctuation in Q1D organic superconductor (TMTSF) _2ClO_4 [J] . Mizuno Y., Kobayashi A., Suzumura Y. Physica, C. Superconductivity and its applications . 2011,第3a4期

机译：电荷波动在Q1D有机超导体（TMTSF）_2ClO_4中的作用
2. NMR evidence for very slow carrier density fluctuations in the organic metal (TMTSF)_2ClO_4 [J] . F. Zhang, Y. Kurosaki, J. Shinagawa, Physical review. B, Condensed Matter And Materials Physics . 2005,第6期

机译：NMR证据表明有机金属（TMTSF）_2ClO_4中的载流子密度非常缓慢
3. Microscopic theory of the superconducting gap in the quasi-one-dimensional organic conductor (TMTSF)_2ClO_4: Model derivation and two-particle self-consistent analysis [J] . Hirohito Aizawa, Kazuhiko Kuroki Physical Review. B, Condensed Matter . 2018,第10期

机译：准一维有机导体（TMTSF）_2ClO_4中超导间隙的微观理论：模型推导和两粒子自洽分析
4. High precise thermopower measurement system and its applying to organic conductors (TMTSF)_2ClO_4 in a direction [C] . Y. S. Chai, H. S. Yang, J. Liu, International Cryogenic Engineering Conference(ICEC 20) . 2004

机译：高精度热功率测量系统及其在有机导体（TMTSF）_2ClO_4方向上的应用
5. HIGH PRESSURE ELECTRICAL TRANSPORT STUDIES ON SEVERAL ORGANIC CHARGE TRANSFER SALTS (HMTSF-TCNQ, PEIERLS TRANSITION, HMTTF-TCNQ, TMTSF-TCNQ). [D] . TOZER, STANLEY W. 1986

机译：几种有机电荷转移盐（HMTSF-TCNQ，Peierls过渡，HMTTF-TCNQ，TMTSF-TCNQ）的高压电传输研究。
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. Role of charge fluctuation in Q1D organic superconductor (TMTSF)2ClO4 [O] . Mizuno, Yusuke, Kobayashi, Akito, Suzumura, Yoshikazu 2011

机译：Q1D有机超导体（TmTsF）2ClO4中电荷波动的作用
8. Photoinduced Charge Separation in Q1D Heterojunction Materials: Evidence forElectron-Hole Pair Separation in Mixed-Halide MX Solids [R] . Worl, L. A., Huckett, S. C., Swanson, B. I., 1993

机译：Q1D异质结材料中的光诱导电荷分离：混合卤化物mX固体中电子 - 空穴对分离的证据

Role of charge fluctuation in Q1D organic superconductor (TMTSF) _2ClO_4

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