Topic
High-temperature superconductivity
About: High-temperature superconductivity is a research topic. Over the lifetime, 7263 publications have been published within this topic receiving 175377 citations. The topic is also known as: high-temperature superconductivity.
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TL;DR: In this article, the differences between the measured and calculated electronic band structures look insignificant, but can be crucial for understanding of the mechanism of high temperature superconductivity in iron-based superconductors.
Abstract: ARPES experiments on iron based superconductors show that the differences between the measured and calculated electronic band structures look insignificant, but can be crucial for understanding of the mechanism of high temperature superconductivity. Here, we focus on those differences for 111 and 122 compounds and discuss the observed correlation of the experimental band structure with the superconductivity.
46 citations
TL;DR: It is shown here how the thermodynamics of fluid mixtures accounts for this startling observation, as well as many other properties of the cuprates in the vicinity of the instability toward “striped” magnetism.
Abstract: Copper–oxide-based high-temperature superconductors have complex phase diagrams with multiple ordered phases. It even appears that the highest superconducting transition temperatures for certain cuprates are found in samples that display simultaneous onset of magnetism and superconductivity. We show here how the thermodynamics of fluid mixtures—a touchstone for chemistry as well as hard and soft condensed matter physics—accounts for this startling observation, as well as many other properties of the cuprates in the vicinity of the instability toward “striped” magnetism.
46 citations
TL;DR: In this paper, an extended critical state model which includes the effects of bulk critical current density, equilibrium magnetization and surface barrier is developed for the magnetization of superconductors.
46 citations
TL;DR: In this paper, the marginal Fermi liquid hypothesis about the excitation spectrum of high-temperature superconductors is supplemented to specify the long-wavelength behavior; it is shown that there are no anomalous renormalizations of the compressibility and the uniform paramagnetic susceptibility.
Abstract: The marginal Fermi liquid hypothesis about the excitation spectrum of the high-temperature superconductors is supplemented to specify the long-wavelength behavior; it is shown that there are no anomalous renormalizations of the compressibility and the uniform paramagnetic susceptibility. Consideration of elastic scattering from impurities leads to the conclusion that as temperature is decreased, the scattering approaches the unitarity limit. We discuss the possibility that at T → 0, a marginal Fermi liquid is either a superconductor or an insulator. Predictions for the magnetic structure factor observable in neutron scattering consistent with the nuclear relaxation rate on copper and on oxygen are also given.
46 citations
TL;DR: Quantum flux creep in sufficiently perfect layered high-{ital T}{sub {ital c}} superconductors is shown to be possible when the magnetic field is parallel to the layers and quantum creep can be observable if the transport current is high enough.
Abstract: Quantum flux creep in sufficiently perfect layered high-{ital T}{sub {ital c}} superconductors is shown to be possible when the magnetic field is parallel to the layers. The crossover temperature between activated and quantum creep is found as a function of the transport current, normal resistivity, and upper critical field. Quantum creep can be observable if the transport current is high enough.
46 citations