搜索结果: 31-45 共查到“理学 superconductors”相关记录76条 . 查询时间(0.109 秒)
Electronic properties of new low-temperature superconductors: 3.3K (Ni2P2)(Sr4Sc2O6) and 2.7K (Ni2As2)(Sr4Sc2O6) from first principles
Superconducting (Ni2P2)(Sr4Sc2O6) (Ni2As2)(Sr4Sc2O6) structural electronic properties Fermi surface
2010/11/25
Based on first-principle FLAPW-GGA calculations, we have investigated structural and electronic properties of the recently synthesized tetragonal (space group P4/nmm) nickel-based pnictide oxide super...
Theory of interacting topological superfluids and superconductors
Theory of interacting topological superfluids superconductors
2010/11/17
We investigate the three-dimensional, time-reversal invariant topological superconductors with
generic interaction by their response to external fields. The first description is a gravitational topol...
Magnetic field induced reduction of the low-temperature superfluid density in cuprate superconductors
Magnetic field induced reduction cuprate superconductors
2010/11/18
The weak magnetic field induced reduction of the low-temperature superfluid density in cuprate
superconductors is studied based on the kinetic energy driven superconducting mechanism. The
electromag...
Pairing Fluctuations Determine Low Energy Electronic Spectra in Cuprate Superconductors
Low Energy Electronic Spectra Cuprate Superconductors
2010/11/24
High-temperature superconductivity in hole-doped cuprates, accompanied by a ‘pseudogap phase’ as well as other strange phenomena, con-tinues to be an outstanding question in condensed matter physics f...
Baryonic Bound State of Vortices in Multicomponent Superconductors
Baryonic Bound State of Vortices Multicomponent Superconductors
2011/1/7
We construct a bound state of three 1/3-quantized vortices in three-component su-perconductors with intrinsic Josephson couplings, which may be relevant with regard to iron-based superconductors.
Model for the electronic structure, Fermi arcs, and pseudogap in cuprate superconductors
Fermi arcs, and pseudogap in cuprate Fermi arcs cuprate superconductors
2010/11/23
We suggest a model for electronic structure of cuprate superconductors that makes it possible
to describe evolution of this structure with the doping and provides a new explanation for a number of ty...
Phase diagram of iron-arsenide superconductors Ca(Fe1-xCox)2As2 (0 <= x <= 0.2)
Phase diagram of iron-arsenide superconductors
2010/11/19
Platelet-like single crystals of the Ca(Fe1-xCox)2As2 series having lateral dimensions up
to 15 mm and thickness up to 0.5 mm were obtained from the high temperature solution
growth technique using ...
Synthesis of ErFeAsO-based superconductors by hydrogen doping method
Synthesis ErFeAsO-based superconductors hydrogen doping method
2010/11/25
Here we demonstrate the technique to stabilize the ErFeAsO-based superconductor with the smallest lattice constants in LnFeAsO1-y (Ln = lanthanide) series using hydrogen doping method. Polycrystalline...
Diamagnetism, Nernst signal, and finite size effects in superconductors above the transition temperature
Diamagnetism Nernst signal finite size effects transition temperature
2010/11/25
Various superconductors, including cuprate superconductors, exhibit peculiar features above the
transition temperature Tc. In particular the observation of a large diamagnetism and Nernst sig-nal N i...
Importance of Fermi surface topology for high temperature superconductivity in electron-doped iron arsenic superconductors
Fermi surface topology high temperature superconductivity
2010/11/18
We used angle resolved photoemission spectroscopy and thermoelectric power to study the poorly
explored, highly overdoped side of the phase diagram of Ba(Fe1xCox)2As2 high temperature su-
...
Optical and Hall conductivities of a thermally disordered two-dimensional spin-density wave: two-particle response in the pseudogap regime of electron-doped high-$T_c$ superconductors
Dual-Fer Optical Hall conductivities thermally disordered two-dimensional spin-density wave
2010/11/23
We calculate the longitudinal (σxx) and Hall (σxy) optical conductivities for two-dimensional
metals with thermally disordered antiferromagnetism using a generalization of an approximation
introduce...
Critical-doping universality for cuprate superconductors: Oxygen nuclear-magnetic-resonance investigation of Ca(x)La(1-x)Ba(1.75-x)La(0.25+x)Cu(3)O(y)
cuprate superconductors Oxygen nuclear-magnetic-resonance investigation
2010/11/18
The critical doping levels in cuprates, where the ground state changes its nature (from an an-
tiferromagnet to a spin glass to superconductor to metal), are not universal. We investigate the origin ...
Critical Magnetic Field Ratio of Anisotropic Magnetic Superconductors
Upper critical field Lower critical field Ginzburg-Landau Theory anisotropy magnetic superconductors
2010/11/18
The upper critical field, the lower critical field and the critical magnetic field ratio of anisotropic magnetic superconductors are calculated by Ginzburg-Landau theory analytically. The effect of th...
Stringing together a picture of superconductors（图）
a picture of superconductors physical behavior
2010/9/21
For decades, physicists have been trying to reconcile the two major theories that describe physical behavior. The first, Einstein’s theory of general relativity, uses gravity — forces of attraction — ...
Superconductors could simulate the brain（图）
Superconductors the brain Electronic components
2010/3/26
Electronic components that exploit the phenomenon of superconductivity could allow us to study the collective behaviour of large numbers of neurons operating over long timescales. That is the finding ...