A "super-atom" conceptual interface between chemistry and physics is proposed in order to assist in the search for higher TC superconductors. High-TC superconductivity HTSC is articulated as the entanglement of two disjoint electronic manifolds in the vicinity of a common Fermi energy. The resulting HTSC ground state couples near-degenerate protected local "super-atom" states to virtual magnons in an antiferromagnetic AFM embedding. The composite Cooper pairs emerge as the interaction particles for virtual magnons mediated "self-coherent entanglement" of super-atom states. A Hückel type resonating valence bond RVB formalism is employed in order to illustrate the real-space Cooper pairs as well as their delocalization and Bose Einstein condensation BEC on a ring of super-atoms. The chemical potential μ(BEC) for Cooper pairs joining the condensate is formulated in terms of the super-exchange interaction, and consequently the TC in terms of the Neél temperature. A rationale for the robustness of the HTSC ground state is proposed: achieving local maximum "electron correlation entropy" at the expense of non-local phase rigidity.
Ambient-Pressure Superconductivity from Boron Icosahedral Superatoms
Sapienza Università di Roma（罗马第一大学）；Max-Planck-Institut für Mikrostrukturphysik（马克斯·普朗克微结构物理研究所）；Martin-Luther-Universität Halle-Wittenberg（哈勒-维滕贝格马丁路德大学）
Microscopic derivation of superconductor-insulator boundary conditions for Ginzburg-Landau theory revisited. Enhanced superconductivity at boundaries with and without magnetic field
Emergent Coherence at the Edge of Magnetism: Low-Doped La2-xSrxCuO4+delta Revisited
B. Verkin Institute for Low Temperature Physics and Engineering of the Nat. Acad. of Sciences of Ukraine（乌克兰国家科学院低溫物理與工程B·維爾金研究所）；Smart Materials Group, Mads Clausen Institute, University of Southern Denmark, Sønderborg（南丹麦大学马茨·克拉斯恩学院智能材料组）；National Technical University «Kharkiv Polytechnic Institute», Kharkiv, Ukraine（乌克兰哈尔科夫国立技术大学（哈尔科夫理工学院））
The diamagnetism above the superconducting transition in underdoped La(1.9)Sr(0.1)CuO(4) revisited: Chemical disorder or phase incoherent superconductivity?
超导波动和不均匀性之间的相互作用提出了一个新的兴趣，由于最近的工作支持一个异常的[超越传统的高斯-金兹伯格-朗道（GGL）的情况下]抗磁性高于Tc在欠掺杂的铜酸盐。这一结论主要是基于低场等温磁化曲线中新异常的观察，与我们早期在欠掺杂La（1.9）Sr（0.1）CuO（4）[Phys. Rev. Lett. 84，3157（2000）]。这些看似内在的反常现象在各种有影响力的著作中被作为赝能隙区相位非相干超导性的“热力学证据”提出，这是目前铜酸盐超导体物理学的一个中心和有争议的问题。在这里，我们已经扩展了我们的磁化强度测量在La（1.9）Sr（0.1）CuO（4）的两个样品具有不同的化学无序，在其中一个接近与随机分布的Sr离子。对于该样品，相应的Tc分布可以近似为围绕平均Tc对称，而在最无序的样品中是强烈不对称的。在这两个样品中测量的磁化强度之间的比较提供了一个关键的检查所观察到的抗磁性异常，这是类似于那些声称由于相位波动由其他作者的化学无序起源。这一结论也适用于只受本征类化学无序影响的样品，提供了进一步的检查，即在正常状态下的赝能隙的打开不影响低掺杂铜酸盐的超导转变以上的本征抗磁性。它还表明，一旦这些障碍的影响被克服，剩余的前体抗磁性可以占在一个定量水平的GGL方法下的总能量截止。
Yttrium Superhydrides Revisited: Advanced Experimental and Theoretical Studies of YH$_6$, YH$_9$ and YH$_{10}$
Center for High Pressure Science & Technology Advanced Research（高压科学前沿研究中心）；Institute of Theoretical and Computational Physics, Graz University of Technology（格拉茨工业大学理论与计算物理研究所）；University of Vienna, Faculty of Physics（维也纳大学物理学院）；V. L. Ginzburg Center for High-Temperature Superconductivity and Quantum Materials（V.L.金兹堡高温超导与量子材料中心）；Department of Applied Physics and Physico-Informatics, Keio University（庆应义塾大学应用物理与信息物理系）；Shanghai Key Laboratory of Material Frontiers Research in Extreme Environments (MFree), Shanghai Advanced Research in Physical Sciences (SHARPS)（极端环境材料前沿研究上海市重点实验室，上海物理科学研究院）；National Research University Higher School of Economics（国立研究型大学高等经济大学）
Concentration Dependence of Superconductivity and Order-Disorder Transition in the Hexagonal Rubidium Tungsten Bronze RbxWO3. Interfacial and bulk properties
