阐明HTSC输运行为和量子振荡的起源
Elucidation of the origins of HTSC transport behaviour and quantum oscillations
摘要：
一个详细的阐述是最近的运输和“量子振荡”的结果，从HTSC系统覆盖的全范围内从过掺杂到欠掺杂的材料。这现在非常广泛和高质量的数据集在这里解释的本地对和玻色子-费米子共振的作者开发的框架内，产生在负U行为的背景下，在一个不均匀的电子环境。强烈的不均匀性伴随着这些材料的混合价条件，当掺杂不足时，这些材料非常接近莫特-安德森转变。所观察到的强烈散射是由于对形成和电子玻色子碰撞的共振交叉的情况下。高水平的散射使系统在赝能隙状态下不相干，p < pc（= 0.183）。在强磁场中，不均匀电荷分布的条纹分隔得到加强和规则化。磁化强度和电阻振荡，由正方形通量阵列的对角线2D电荷剥离阵列的真实空间环境内的有利定位决定的周期，被证明是负责最近报道的行为迄今广泛归因于一个更标准的费米液体条件的量子振荡响应。包括所有实验数据的详细分析表明，在给定的条件下，非常高的场，低温，2D条纹，欠掺杂，d波超导，HTSC材料的通量量子变为h/e的两倍。
英文摘要：
A detailed exposition is made of recent transport and 'quantum oscillation' results from HTSC systems covering the full range from overdoped to underdoped material. This now very extensive and high quality data set is interpreted here within the framework developed by the author of local pairs and boson-fermion resonance, arising in the context of negative-U behaviour in an inhomogeneous electronic environment. The strong inhomogeneity comes with the mixed-valent condition of these materials, which when underdoped lie in close proximity to the Mott-Anderson transition. The observed intense scattering is presented as resulting from pair formation and electron-boson collisions in the resonant crossover circumstance. The high level of scattering brings the systems to incoherence in the pseudogapped state, p < pc (= 0.183). In a high magnetic field the striped partition of the inhomogeneous charge distribution is much strengthened and regularized. Magnetization and resistance oscillations, of period dictated by the favoured positioning of the square fluxon array within the real space environment of the diagonal 2D charge striping array, are demonstrated to be responsible for the recently reported behaviour hitherto widely attributed to the quantum oscillation response of a much more standard Fermi liquid condition. A detailed analysis embracing all the experimental data serves to indicate that in the given conditions of very high field, low temperature, 2D-striped, underdoped, d-wave superconducting, HTSC material the flux quantum becomes doubled to h/e.
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