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The discovery of superconductivity at 80 K under high pressure in La$_3$Ni$_2$O$_7$ presents the groundbreaking confirmation that high-$T_c$ superconductivity is a property of strongly correlated materials beyond cuprates. We use density…

Superconductivity · Physics 2024-07-30 Zhen Fan , Jian-Feng Zhang , Bo Zhan , Dingshun Lv , Xing-Yu Jiang , Bruce Normand , Tao Xiang

We report an original procedure for the elaboration of very high quality single crystals of superconducting HgBa2Ca2Cu3O8+{\delta} mercury cuprates. These single crystals are unique with very high quality surface paving the way for…

The notable results shown by Bozovic et al. from measurements of synthesized one-unit-cell thick of La1.85Sr0.15CuO4,La2CuO4 HTS/AF/HTS tri-layer junctions query the predictions by prevalent models since there is no observable mixing of…

Superconductivity · Physics 2007-05-23 Rushan Han , Wei Guo

The discovery of high temperature superconductivity in the cuprates in 1986 triggered a spectacular outpouring of creative and innovative scientific inquiry. Much has been learned over the ensuing 28 years about the novel forms of quantum…

Superconductivity · Physics 2015-02-13 B. Keimer , S. A. Kivelson , M. R. Norman , S. Uchida , J. Zaanen

Short review of the topical comprehension of the superconductor materials classes Cuprate High-Temperature Superconductors, other oxide superconductors, Iron-based Superconductors, Heavy-Fermion Superconductors, Nitride Superconductors,…

Superconductivity · Physics 2016-04-29 Roland Hott , Reinhold Kleiner , Thomas Wolf , Gertrud Zwicknagl

We report on generic trends in the behavior of the interlayer penetration depth $\lambda_c$ of several different classes of quasi two-dimensional superconductors including high-T$_c$ cuprates, Sr$_2$RuO$_4$, transition metal dichalcogenides…

Superconductivity · Physics 2009-11-07 S. V. Dordevic , E. J. Singley , D. N. Basov , Seiki Komiya , Yoichi Ando , E. Bucher , C. C. Homes , M. Strongin

At optimal doping, different cuprate compounds can exhibit vastly different critical temperatures for superconductivity ($T_c$), ranging from about 20 K to about 135 K. The precise properties of the lattice that determine the magnitude of…

Strongly Correlated Electrons · Physics 2025-02-05 Jaksa Vucicevic , Michel Ferrero

High transition temperature (high-Tc) superconductivity is associated with layered crystal structures. This work considers superconductivity in ultra-thin crystals (of thickness equal to the transverse structural periodicity distance d for…

Superconductivity · Physics 2012-02-03 Dale R. Harshman , Anthony T. Fiory

In this paper we study the effects of the strong coupling superconductivity on the normal state electronic structure. We point out that the pseudogap phenomena in High-T_c cuprates are naturally explained as a precursor of the strong…

Superconductivity · Physics 2009-10-31 Youichi Yanase , Kosaku Yamada

In order to explore why the multi-layered cuprates have such high Tc's, we have examined various inter-layer processes. Since the inter-layer one-electron hopping has little effects on the band structure, we turn to the inter-layer pair…

Superconductivity · Physics 2013-08-13 Kazutaka Nishiguchi , Kazuhiko Kuroki , Ryotaro Arita , Takashi Oka , Hideo Aoki

The attractive Hubbard model has become a model readily realizable with ultracold atoms on optical lattices. However, the superconducting (superfluid) critical temperatures, $T_c$'s, are still somewhat smaller than the lowest temperatures…

Numerous contemporary investigations in condensed matter physics are devoted to high temperature (high-$T_c$ ) cuprate superconductors. Despite its unique effulgence among research subjects, the enigma of the high-$T_c$ mechanism still…

High-Tc superconductivity in layered cuprates is described in a BCS-BEC formalism with linearly-dispersive s- and d-wave Cooper pairs moving in quasi-2D finite-width layers about the CuO_2 planes. This yields a closed formula for Tc…

Superconductivity · Physics 2010-01-07 C. Villarreal , M. de Llano

A theory of highly correlated layered superconducting materials isapplied for the cuprates. Differently from an independent-electron approximation, their low-energy excitations are approached in terms of auxiliary particles representing…

Superconductivity · Physics 2015-03-13 J. Ashkenazi

The hole-doped cuprate high temperature superconductors enter the pseudogap regime as their superconducting critical temperature, $T_c$, falls with decreasing hole density. Experiments have probed this regime for over two decades, but we…

Superconductivity · Physics 2014-03-24 Lauren E. Hayward , David G. Hawthorn , Roger G. Melko , Subir Sachdev

We study a model of a composite system constructed from a "pairing layer" of disconnected attractive-U Hubbard sites that is coupled by single-particle tunneling, t_perp, to a disordered metallic layer. For small inter-layer tunneling the…

Superconductivity · Physics 2015-06-05 Gideon Wachtel , Assaf Bar-Yaacov , Dror Orgad

We present a theoretical framework for understanding the behavior of the normal and superconducting states of overdoped cuprate high temperature superconductors in the vicinity of the doping-tuned quantum superconductor-to-metal transition.…

Superconductivity · Physics 2021-07-12 Zi-Xiang Li , Steven A. Kivelson , Dung-Hai Lee

We report the first observation of a momentum-resolved superconducting gap in the Hg-based trilayer cuprate, which holds the highest record of superconducting transition temperature ($T_\mathrm{c}$) at ambient pressure. By angle-resolved…

Superconductivity · Physics 2025-07-24 M. Horio , M. Miyamoto , Y. Mino , S. Ishida , B. Thiagarajan , C. M. Polley , C. H. Lee , T. Nishio , H. Eisaki , I. Matsuda

Superconducting proximity effects in graphene have received a great deal of attention for over a decade now. This has unveiled a plethora of exotic effects linked to the specificities of graphene's electronic properties. The vast majority…

Strongly Correlated Electrons · Physics 2022-06-14 D. Perconte , D. Bercioux , B. Dlubak , P. Seneor , F. S. Bergeret , J. E. Villegas

Recent experimental and theoretical developments in high-temperature superconductivity are reviewed, and the empirically asymmetric behavior between hole-doped and electron-doped cuprates is contrasted. A number of phenomena previously…

Superconductivity · Physics 2007-05-23 N. -C. Yeh