Bipolaronic Proximity And Other Unconventional Effects In Cuprate Superconductors

Bipolaronic Proximity And Other Unconventional Effects In Cuprate Superconductors
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铜酸盐超导体中的双极邻近效应和其他非常规效应

DOI:
10.1007/978-1-4020-9146-9_12
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发表时间:
2008
期刊:
arXiv: Superconductivity
影响因子:
--
通讯作者:
A. Alexandrov
A. Alexandrov
中科院分区:
--
文献类型:
--
作者:
A. Alexandrov

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从超载流子质量的同位素效应、高分辨角分辨光电子能谱(ARPES)、大量的光学和中子散射测量等方面,都有令人信服的证据表明铜氧化物超导体中存在强的电子-声子相互作用(EPI)。大量的观察结果表明,高温铜氧化物超导体可能不是传统的Bardeen-Cooper-Schrieffer(BCS)超导体,而是源自实空间对的玻色-爱因斯坦凝聚(BEC),它们是移动的小双极化子。本文综述了非常规邻近效应的双极化子理论、序参量的对称性和棋盘调制以及最近在铜氧化物中发现的量子磁振荡。
There is compelling evidence for a strong electron-phonon interaction (EPI) in cuprate superconductors from the isotope effects on the supercarrier mass, high resolution angle resolved photoemission spectroscopies (ARPES), a number of optical and neutron-scattering measurements in accordance with our prediction of high-temperature superconductivity in polaronic liquids. A number of observations point to the possibility that high-Tc cuprate superconductors may not be conven- tional Bardeen-Cooper-Schrieffer (BCS) superconductors, but rather derive from the Bose-Einstein condensation (BEC) of real-space pairs, which are mobile small bipolarons. Here I review the bipolaron theory of unconventional proximity effects, the symmetry and checkerboard modulations of the order parameter and quantum magneto-oscillations discovered recently in cuprates.
液体超导体的可能性。
DOI: 10.1002/cphc.200600241
发表时间: 2006
期刊: a European journal of chemical physics and physical chemistry
影响因子: --
作者:
Edwards PP
通讯作者: Edwards PP
DOI: 10.1103/physrevlett.100.047004
发表时间: 2008-02-01
影响因子: 8.6
作者:
Bangura, A. F.;Fletcher, J. D.;Hussey, N. E.
通讯作者: Hussey, N. E.