搜索结果: 1-15 共查到“知识库 Superconductor”相关记录50条 . 查询时间(0.109 秒)
Phase transitions in a three dimensional U(1)×U(1) lattice London superconductor: Metallic superfluid and charge-4e superconducting states
Three dimensional lattice superconductor condensation coupling pulse measurement the current current coupling
2014/12/18
We consider a three dimensional lattice U(1)×U(1) and [U(1)]N superconductors in the London limit with individually conserved condensates. The U(1)×U(1) problem, generically, has two types of intercom...
Unconventional magnetic phase diagram of cuprate superconductor La2-xSrxCuO4 at quantum critical point x = 1/9
Unconventional magnetic phase diagram cuprate superconductor La2-xSrxCuO4 quantum critical point
2012/2/27
We propose a new magnetic phase diagram of La2-xSrxCuO4 around a quantum critical point x = 1/9 based on field-cooled magnetization measurements and critical fittings. A new phase boundary Tm2(H) is d...
Double proximity effect in hybrid planar Superconductor-(Normal metal/Ferromagnet)-Superconductor structures
Double proximity effect hybrid planar Superconductor Superconductor structures
2012/2/27
We have investigated the differential resistance of hybrid planar Al-(Cu/Fe)-Al submicron bridges at low temperatures and in weak magnetic fields. The structure consists of Cu/Fe-bilayer forming a bri...
Impurity-assisted Andreev reflection at a spin-active half-metal-superconductor interface
Impurity-assisted Andreev reflection spin-active half-metal-superconductor interface
2012/2/27
The Andreev reflection amplitude at a clean interface between a half-metallic ferromagnet (H) and a superconductor (S) for which the half metal's magnetization has a gradient perpendicular to the inte...
Anisotropic $H_{c2}$ determined up to 92 T and the signature of multi-band superconductivity in Ca$_{10}$(Pt$_{4}$As$_{8}$)((Fe$_{1-x}$Pt$_{x}$)$_{2}$As$_{2}$)$_{5}$ superconductor
Anisotropic signature multi-band superconductivity superconductor
2012/2/27
The upper critical fields, $H_{c2}$($T$), of single crystals of the superconductor Ca$_{10}$(Pt$_{4-\delta}$As$_{8}$)((Fe$_{0.97}$Pt$_{0.03}$)$_{2}$As$_{2}$)$_{5}$ ($\delta$ $\approx$ 0.246) are deter...
Analytic holographic superconductor with Weyl Corrections
Classical Black holes Gauge/string duality High-TC superconductors theory
2011/8/26
We study analytical properties of the holographic superconductors with Weyl corrections. We describe the phenomena in the probe limit neglecting backreaction of the space-time. We observe that for the...
Phase transitions in the distribution of the Andreev conductance of superconductor-metal junctions with many transverse modes
Phase transitions superconductor-metal junctions transverse mode Statistical Mechanics
2011/7/27
Phase transitions in the distribution of the Andreev conductance of superconductor-metal junctions with many transverse modes.
P-Wave Holographic Insulator/Superconductor Phase Transition
P-Wave Holographic Insulator/Superconductor Phase Transition
2010/12/24
Using a five dimensional AdS soliton in an Einstein-Yang-Mills theory with SU(2) gauge group we study p-wave holographic insulator/superconductor phase transition. To explore the phase structure of th...
Upper Critical Field of Pressure-Induced Superconductor EuFe$_2$As$_2$
Upper Critical Field Superconductor
2010/11/25
We have carried out high-field resistivity measurements up to 27T in EuFe2As2 at P =2.5GPa,
a virtually optimal pressure for the P-induced superconductivity, where Tc =30K. The Bc2−Tc
phase di...
Observation of the developed Cu-spin correlation in the Bi-2201 high-Tc superconductor using muon spin relaxation
Observation of the developed Cu-spin correlation muon spin relaxation
2010/11/24
A systematic muon-spin-relaxation study in Bi-2201 high-Tc cuprates has revealed for the first
time that the Cu-spin correlation (CSC) is developed at low temperatures below 2 K in a wide
range of h...
Anisotropic upper critical field and a possible Fulde-Ferrel-Larkin-Ovchinnikov state in a stoichiometric pnictide superconductor LiFeAs
Anisotropic upper critical field possible Fulde-Ferrel-Larkin-Ovchinnikov state
2010/11/25
Measurements of the temperature and angular dependencies of the upper critical fields Hc2 of a
stoichiometric single crystal LiFeAs in pulsed magnetic fields up to 50 T were performed using a tunnel ...
New Hydrocarbon Superconductor on the Verge of Metal-Insulator Transition: Electronic Structures and Magnetic Properties of K3picene
New Hydrocarbon Superconductor Verge of Metal-Insulator Transition: Electronic Structures Magnetic Properties of K3picene
2010/11/22
We have investigated the electronic structures and magnetic properties of of K3picene, which
is a first hydrocarbon superconductor with high transition temperature Tc=18K. We have shown
that the met...
Nanopattern-stimulated superconductor-insulator transition in thin TiN films
Nanopattern-stimulated superconductor-insulator transition thin TiN films
2010/11/18
We present the results of the comparative study of the influence of disorder on transport prop-
erties in continuous and nanoperforated TiN films. We show that nanopatterning turns a thin
TiN film i...
Self consistent charge-current in a mesoscopic region attached to superconductor leads
Self consistent charge-current mesoscopic region superconductor leads
2010/11/18
We investigate the behavior of a electric potential profile inside a mesoscopic region attached to a pair of superconducting leads. It turns out that I−V characteristic curves are strongly modif...
Optical investigations of the chemical pressurized EuFe2(As1-xPx)2: an s-wave superconductor with strong interband interaction
Optical investigations s-wave superconductor interband interaction
2010/11/18
Superconducting EuFe2(As0.82P0.18)2 single crystals are investigated by infrared spectroscopy in a wide frequency range. Below Tc = 28 K a superconducting gap forms at 20 = 9.5 meV = 3.8kBTc causing ...