[PDF] Top 20 Correlated Electron Systems and High Temperature Superconductivity

... The correlated electrons in two- and three-dimensional space are still far from a complete understanding in spite of the success for the one-di- mensional Hubbard ... See full document

... low temperature the doped holes are observed to localise along parallel lines, called stripes, in the copper-oxide ...for correlated electron systems predicted the presence of phase separation ... See full document

... or high-temperature superconductivity in the cuprates, suggests however that one cannot apply the re- ductionist approach and simply break such a system down into its constituent parts to understand ... See full document

... of systems with two groups of electrons ...the superconductivity of a two band model is based ...transition temperature decrease with increase of oxygen disorder that can be explained using two band ... See full document

... closed electron-like surface to an open one as the band passes through only one of the two, now non-equivalent, pairs of Van Hove singularities at the M points of the ...the high and low side, a T 2 ... See full document

... finite temperature magnetism in metals, even in non strongly correlated systems, is highly ...homogeneous electron gas during first principles implementations of the DLM, since the LDA has ... See full document

... whose ground states have an occupation of three plus- minus one electrons. The one-electron spectrum pos- sesses four states with the energies: ±2t − t 0 − µ and double-degenerate t 0 − µ. At zero interaction U = ... See full document

... space group Cmcm (No. 63); the structure consists of alternating double layers of nearly square-planar Te sheets and corrugated double RTe layers and forms a weakly orthorhombic lattice above the CDW transition ... See full document

... singlet electron pairs that occupy three states and one triplet pair that occupies two re- maining ...singlet electron pairs) and two one-electron (1e) bonds (by using the triplet pair) with four Fe ... See full document

... The process of 3d-orbital capture is expressed by the equilibrium in Equation (2). Complete filling of the 3d-shell leaves one electron and an electron deficiency in the valence shell. This makes this ... See full document

... The evaluation is done with the help of two approximation Hubbard I and DMFT approximation. The Hubbard-I approximation is based on the decoupling in the system of equation for the electron Green’s function. The ... See full document

... If we consider pure carbyne chain the calculations show that carbyne has maximal intrinsic SOC, which reaches 5 meV [5]. It is more difficult to determine the SOC close to hydrogenated end of chain. Various simu- lations ... See full document

... Computational materials discovery and design has emerged in order to meet the surge in demand for new materials for applications ranging from clean alternative energy to human welfare. This acceleration of materials ... See full document

... For example, in many schemes one or more magnetic chicanes are used, either to longitudi- nally shear the electron bunch or delay it with respect to the radiation. Often some wavelength- specific tolerances on the ... See full document

... This considered formation of mechanism for the su- perconducting state provides a possibility of obtaining the estimations of the critical parameters of supercon- ductors, which in most cases is in satisfactory agreement ... See full document

... Such electron spectrometers are important for future solar system ...the electron environment at Europa would help in understanding the radiolytic chemistry of its surface, and thus potentially advance ... See full document

... Low Temperature Superconductivity has not been very successful in electric power applications due to low reliability, high cost and difficult ... See full document

... 2D electron system in silicon were studied at low electron densities, and it was shown that near the metal-insulator transition, only “spin” minima of the resistance at Landau-level filling factors ν = 2, ... See full document

... the temperature variation of the layers with ...the temperature distribution of the system does not change until all the hydrogen ...the temperature of the ... See full document

... strongly correlated Hubbard-type models within density-functional ...such systems and the theoretical framework is ...infinite systems. This leads to the conclusion that the electron density ... See full document