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The superconductivity of high transition temperature (Tc) occurs in copper oxides with carrier-doping to an antiferromagnetic (AF) Mott insulator. This discovery more than thirty years ago immediately led to a prediction about the formation…

We report our study of the evolution of superconductivity and the phase diagram of the ternary Fe(Se1-xTex)0.82 (0<=x<=1.0) system. We discovered a new superconducting phase with Tc,max = 14 K in the 0.3 < x < 1.0 range. This…

Superconductivity · Physics 2008-12-04 M. H. Fang , H. M. Pham , B. Qian , T. J. Liu , E. K. Vehstedt , Y. Liu , L. Spinu , Z. Q. Mao

This paper is about the mechanical design of superconducting accelerator magnets. First, we give a brief review of the basic concepts and terms. In the following sections, we describe the particularities of the mechanical design of…

Accelerator Physics · Physics 2015-01-14 Fernando Toral

A phase of matter in which fermion quartets form a superconducting condensate, rather than the paradigmatic Cooper pairs, is a recurrent subject of experimental and theoretical studies. However, a comprehensive microscopic understanding of…

Strongly Correlated Electrons · Physics 2024-06-12 Martina O. Soldini , Mark H. Fischer , Titus Neupert

We report the results of our detailed magnetotransport studies on single crystals of the antiferromagnetic heavy-fermion superconductor Ce$_3$PdIn$_{11}$. Electrical resistivity measurements, carried out in different magnetic field…

Superconductivity · Physics 2019-02-26 Debarchan Das , Daniel Gnida , Dariusz Kaczorowski

A crucial part of the design of an FCC-ee detector is the minimisation of the disruption of the beam due to the presence of a large and powerful detector magnet. Indeed, the emittance blow-up of the few meters around the interaction point…

Accelerator Physics · Physics 2021-05-27 M. Koratzinos , K. Oide

In this article, we examine the superconducting properties of low- and high-$T_c$ magnetic superconductors in magnetic fields close to the first penetration field. Attention is paid to the properties that relate to the interactions between…

Superconductivity · Physics 2009-11-10 Krzysztof Rogacki

The superconductivity of the 4-angstrom single-walled carbon nanotubes (SWCNTs) was discovered more than a decade ago, and marked the breakthrough of finding superconductivity in pure elemental undoped carbon compounds. The van Hove…

Superconductivity · Physics 2017-07-18 C. H. Wong , E. A. Buntov , R. E. Kasimova , A. F. Zatsepin

The role of U-wire generated quadrupole like magnetic field configuration on loading of cold $^{87}Rb$ atoms in a magneto-optical trap (MOT) on atom-chip has been investigated. It is shown by simulations that the quadrupole field profile…

Atomic Physics · Physics 2018-10-17 Vivek Singh , V. B. Tiwari , K. A. P. Singh , S. R. Mishra

The magnetic susceptibility of the optimally doped Pr$_{1-x}$LaCe$_x$CuO$_4$ in the superconducting state is calculated using the t-J model of Cu-O planes, Mori's projection operator technique and the dispersion of electron bands derived…

Strongly Correlated Electrons · Physics 2012-07-17 A. Sherman

High temperature superconductivity encompasses the cuprates, nickelates, iron pnictides, and LaH$_x$ compounds. The first three groups of compounds involve in the pairing electrons, which are strongly to moderately correlated, whereas in…

Strongly Correlated Electrons · Physics 2023-04-12 Józef Spałek

Within the kinetic energy driven superconducting mechanism, the magnetic nature of cuprate superconductors is discussed. It is shown that the superconducting state is controlled by both charge carrier gap function and quasiparticle coherent…

Superconductivity · Physics 2007-05-23 Shiping Feng , Tianxing Ma , Huaiming Guo

The detailed structure of the $T \times doping$ phase diagram of hole doped High-Tc superconducting cuprates is investigated from the perspective of a recently proposed comprehensive theory for these materials. Our theory is compared to…

Superconductivity · Physics 2024-08-28 Eduardo C. Marino

The extreme variability of observables across the phase diagram of the cuprate high temperature superconductors has remained a profound mystery, with no convincing explanation of the superconducting dome. While much attention has been paid…

Superconductivity · Physics 2007-05-23 Angela Kopp , Amit Ghosal , Sudip Chakravarty

Sn(1-x)In(x)Te is a possible candidate for topological superconductivity. Previous work has shown that substitution of In for Sn in the topological crystalline insulator SnTe results in superconductivity, with the transition temperature,…

Superconductivity · Physics 2013-07-29 R. D. Zhong , J. A. Schneeloch , X. Y. Shi , Z. J. Xu , C. Zhang , J. M. Tranquada , Q. Li , G. D. Gu

We study a mechanism to induce superconductivity in atomically thin semiconductors where excitons mediate an effective attraction between electrons. Our model includes interaction effects beyond the paradigm of phonon-mediated…

Mesoscale and Nanoscale Physics · Physics 2024-11-28 Jonas von Milczewski , Xin Chen , Atac Imamoglu , Richard Schmidt

Quantum magnets offer a unique platform for exploring exotic quantum phases and quantum phase transitions through external magnetic fields. A prominent example is the field-induced Bose--Einstein condensation (BEC) of magnons near the…

Strongly Correlated Electrons · Physics 2025-10-15 J. Khatua , S. M. Kumawat , G. Senthil Murugan , C. -L. Huang , Heung-Sik Kim , K. Sritharan , R. Sankar , Kwang-Yong Choi

Knowledge of the doping (x)-temperature (T) phase diagram of Fe-based superconductors is crucial in understanding the mechanism of high transition temperature superconductivity. Here, we measured the Se doping dependence of the magnetic…

Superconductivity · Physics 2023-06-21 Takenori Fujii , Yu Uezono , Takumi Otsuka , Shotaro Hagisawa , Takao Watanabe

Effects of magnetic fields (applied along the c-axis) on static spin correlation were studied for the electron-doped superconductors Pr$_{1-x}$LaCe$_{x}$CuO$_4$ with $x$=0.11 ($T_c$=26 K) and $x$=0.15 ($T_c$=16 K) by neutron scattering…

Superconductivity · Physics 2009-11-10 M. Fujita , M. Matsuda , S. Katano , K. Yamada

The discovery of superconductivity in LaFeAsO introduced the ferropnictides as a major new class of superconducting compounds with critical temperatures second only to cuprates. The presence of magnetic iron makes ferropnictides radically…

Superconductivity · Physics 2016-03-22 A. L. Wysocki , K. D. Belashchenko , V. P. Antropov