English
Related papers

Related papers: Meissner effect in nonstandard superconductors

200 papers

The screening of an applied magnetic field in the charged anyon fluid at finite density and temperature is investigated. For densities typical of high-temperature superconducting materials we find that the anyon fluid exhibits a…

High Energy Physics - Theory · Physics 2015-06-26 Efrain J. Ferrer , Rene Hurka , Vivian de la Incera

Superfluidity and superconductivity have many elements in common. However, I argue that their most important commonality has been overlooked: that both are kinetic energy driven. Clear evidence that superfluidity in $^4He$ is kinetic energy…

Superconductivity · Physics 2013-09-05 J. E. Hirsch

Pressure as a clean and efficient tool can bring about unexpected extraordinary physical and chemical properties of matters. The recent discoveries of superconductivity at nearly room temperature in hydrides highlight the power of pressure…

Superconductivity · Physics 2022-08-22 Di Peng , Ren-Shu Wang , Li-Na Zong , Xiao-Jia Chen

The Meissner effect is the expulsion of magnetic flux from the interior of a bulk superconductor in the presence of the constant critical magnetic field by the persistent current circulating near the surface of the superconductor. The…

Superconductivity · Physics 2026-05-13 A. V. Nikulov

The full description of a superconductor requires that it has an infinite DC conductivity (or zero electrical resistivity) as well as expels the external magnetic fields. Thus, for any holographic superconductor which is dual to a real…

High Energy Physics - Theory · Physics 2020-01-22 Doa Hashemi Asl , Ahmad Sheykhi

We employed a machine-learning assisted approach to search for superconducting hydrides under ambient pressure within an extensive dataset comprising over 150 000 compounds. Our investigation yielded around 50 systems with transition…

Superconductivity · Physics 2024-03-21 Tiago F. T. Cerqueira , Yue-Wen Fang , Ion Errea , Antonio Sanna , Miguel A. L. Marques

Magnetic flux trapping in the Meissner transition of superconducting radio frequency cavities can substantially increase dissipation which impacts cryogenic costs and necessitates expensive magnetic shielding. Recent findings point at the…

Accelerator Physics · Physics 2021-03-12 A. Ivanov , T. Koettig , A. Macpherson

Superconducting diode effect, in analogy to the nonreciprocal resistive charge transport in semiconducting diode, is a nonreciprocity of dissipationless supercurrent. Such an exotic phenomenon originates from intertwining between…

Superconductivity · Physics 2023-02-01 Muhammad Nadeem , Michael S. Fuhrer , Xiaolin Wang

As shown in former papers, the nonadiabatic Heisenberg model presents a novel mechanism of Cooper pair formation which is not the result of an attractive electron-electron interaction but can be described in terms of quantum mechanical…

Superconductivity · Physics 2017-06-29 Ekkehard Krüger

In the first part of this work an overview of the available data on the paramagnetic effect recently discovered in superconductors was given as well as a possible explanation of the effect. Here the consequences caused by this weakly…

Superconductivity · Physics 2007-05-23 S. G. Gevorgyan

An electric current generates a magnetic field, and magnetic fields cannot exist in the interior of type I superconductors. As a consequence of these two facts, electric currents can only flow near the surface of a type I superconducting…

Superconductivity · Physics 2021-08-25 J. E. Hirsch

We demonstrate that two-dimensional chiral superconductors on curved surfaces spontaneously develop magnetic flux. This geometric Meissner effect provides an unequivocal signature of chiral super- conductivity, which could be observed in…

Superconductivity · Physics 2018-06-06 T. Kvorning , T. H. Hansson , A. Quelle , C. Morais Smith

Experimental discovery that compressed sulphur hydride exhibits superconducting transition temperature Tc=203 K (Drozdov et al 2015 Nature 525 73) sparked intensive studies of superconducting hydrides. However, this discovery was not a…

Superconductivity · Physics 2022-11-14 E. F. Talantsev

The 2014-2015 prediction, discovery, and confirmation of record high temperature superconductivity above 200K in H$_3$S, followed by the 2018 extension to superconductivity in the 250-280K range in lanthanum hydride, marks a new era in the…

Superconductivity · Physics 2019-11-13 Yundi Quan , Soham S. Ghosh , Warren E. Pickett

The Meissner effect is one of the defining properties of superconductivity, with a conventional superconductor completely repelling an external magnetic field. In contrast to this diamagnetic behavior, odd-frequency superconducting pairing…

Superconductivity · Physics 2021-08-18 Fariborz Parhizgar , Annica M. Black-Schaffer

It is generally believed that sulfur hydride under high pressure is a high temperature superconductor. In National Science Review 6, 713 (2019) Huang and coworkers reported detection of superconductivity in sulfur hydride through a highly…

Superconductivity · Physics 2024-02-07 J. E. Hirsch

In the Meissner phase of a superconductor, an external constant magnetic field is shielded by circulating persistent zero-resistance supercurrents that are formed by Cooper pairs. However, a thermodynamic change of state within this phase,…

Superconductivity · Physics 2026-01-21 Andreas Schilling

The Meissner effect is an important characteristic of superconductivity and is critical to distinguishing superconductivity from simply the absence of electrical resistance (perfect conductivity). In a recent paper published in American…

Superconductivity · Physics 2013-04-23 Daijiro Yoshioka

Superconductors are materials with zero electrical resistivity and the ability to expel magnetic fields known as the Meissner effect. Their dissipationless diamagnetic response is central to magnetic levitation and circuits such as quantum…

Mesoscale and Nanoscale Physics · Physics 2023-10-30 M. Borst , P. H. Vree , A. Lowther , A. Teepe , S. Kurdi , I. Bertelli , B. G. Simon , Y. M. Blanter , T. van der Sar

Based on the recent developed real-space theory of superconductivity (arXiv:0910.5511 and arXiv:1001.5067), we study the physical nature of the Meissner effect and London penetration depth in conventional and non-conventional…

Superconductivity · Physics 2010-08-27 X. Q. Huang