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Systematic construction of tight-binding Hamiltonians for Topological Insulators and Superconductors
Systematic construction tight-binding Hamiltonians Topological Insulators Superconductors
2016/1/22
A remarkable discovery in recent years is that there exist various kinds of topological insulators and superconductors characterized by a periodic table according to the system symmetry and dimensiona...
Unusual Electronic State Found in New Class of Unconventional Superconductors（图）
Unusual Electronic State Unconventional Superconductors
2014/12/30
UPTON, NY—A team of scientists from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, Columbia Engineering, Columbia Physics and Kyoto University has discovered an unusual form of ...
Titania-based material holds promise as new insulator for superconductors（图）
superconductors new insulator material
2014/9/12
Research from North Carolina State University shows that a type of modified titania, or titanium dioxide, holds promise as an electrical insulator for superconducting magnets, allowing heat to dissipa...
Limitations on the Ginzburg criterion for dirty superconductors
dirty superconductors Ginzburg criterion superconducting fluctuations specific heat
2012/2/27
The contributions of superconducting fluctuations to the specific heat of dirty superconductors are calculated, including quantum and classical corrections to the `usual' leading Gaussian divergence. ...
Organic superconductors with an incommensurate anion structure
organic superconductor incommensurate composite crystal Fermi surface
2010/1/19
Superconducting incommensurate organic composite crystals based on the methylenedithio-tetraselenafulvalene (MDT-TSF) series donors, where the energy band filling deviates from the usual 3/4-filled, a...
Chemistry of layered d-metal pnictide oxides and their potential as candidates for new superconductors
layered d-metal pnictide oxides potential new superconductors
2010/1/19
The description of the two types of layers in our article is inaccurate. All the [M2Pn2] and [M2Ch2] (M = d-metal; Pn = pnictogen; Ch = chalcogen) layers, which were described as 'fluorite-type', cons...
Chemistry of layered d-metal pnictide oxides and their potential as candidates for new superconductors
low-dimensional compound structure-property relationship suboxide CDW (charge-density wave) SDW (spin-density wave)
2010/10/12
Layered d-metal pnictide oxides are a unique class of compounds which consist of
characteristic d-metal pnictide layers and metal oxide layers. More than 100 of these layered
compounds, including th...
7-Mar-2007，DENVER, CO Although it was discovered more than 20 years ago, a particular type of high-temperature (Tc) superconductor ?material that conducts electricity with almost zero resistance ?is r...
February 15, 2007，Just a little mechanical strain can cause a large drop in the maximum current carried by high-temperature superconductors, according to novel measurements carried out by the National...
The basic formulae of London theory for superconductors are reviewed. Moreover, an expression for the spatial charge density in a type-II superconductor is obtained; this equation is associated with s...
High-Temperature Superconductors and Related Compounds Studied by Mössbauer Spectroscopy
High-Temperature Superconductors Mö ssbauer Spectroscopy
2010/12/15
57Fe, 119Sn, and 151Eu Mössbauer spectroscopy was used to study the chemical structure, phonon mode changes, and low-temperature phase transformation around the Tc as well as suppression of super...
Magnetic flux can penetrate a type-II superconductor in the form of flux-lines or Abrikosov vortices, each of which carry a quantum of flux and arrange in a more or less regular triangular lattice. Un...