نتایج جستجو برای: longitudinal magnetic field
تعداد نتایج: 1161179 فیلتر نتایج به سال:
The influence of microstructure on the magnetic properties is studied in series of of FeCoNbB, FeCoZrB and FeCoMoBCu amorphous and nanocrystalline alloys with different amount of crystalline phase.V arious thermomagnetic treatments have been used in order to tailor the soft magnetic characteristics of these alloys for potential applications. We report on a beneficial effect of both longitudinal...
The quantized version of the anomalous Hall effect has been predicted to occur in magnetic topological insulators, but the experimental realization has been challenging. Here, we report the observation of the quantum anomalous Hall (QAH) effect in thin films of chromium-doped (Bi,Sb)2Te3, a magnetic topological insulator. At zero magnetic field, the gate-tuned anomalous Hall resistance reaches ...
We obtain spacetimes generated by static and spinning magnetic string sources in Einstein Relativity with negative cosmological constant (Λ < 0). Since the spacetime is asymptotically a cylindrical anti-de Sitter spacetime, we will be able to calculate the mass, momentum, and electric charge of the solutions. We find two families of solutions, one with longitudinal magnetic field and the other ...
In this research the magnetoelastic properties of Nd6Fe13-xCoxCu (x = 0 and 1) intermetallic compoundes are investigated. Analysis of X-ray diffraction patterns indicates that a single phase is formed approximately for x = 0 and the x = 1 sample is multi-phase. The lattice parameters were decreased, the Néel temperature of main phase and the Curie temperature of impurity phase was increased...
The critical state of the vortex lattice in a thin strip is considered for the case when first a perpendicular magnetic field is applied, then a longitudinal field, and then again the perpendicular field is increased. This longitudinal field can strongly enhance the critical currents in the strip since the vortices are inclined and the currents flow in the strip plane.
We use the three dimensional uniformly frustrated XY model as a model for a high temperature superconductor in an applied magnetic field and explicitly measure the longitudinal correlation length jz in the vortex line liquid phase. We determine the scaling of jz with magnetic field and system anisotropy close to the vortex lattice melting transition. We apply our results to determine the extent...
Thermal ions in spherical tokamaks have two adiabatic invariants: the magnetic moment and the longitudinal invariant. For hot ions, variations in magnetic-field strength over a gyro period can become sufficiently large to cause breakdown of the adiabatic invariance. The magnetic moment is more sensitive to perturbations than the longitudinal invariant and there exists an intermediate regime, su...
1 2 quantum antiferromagnetic XY model on the triangular lattice in magnetic fields Abstract We study the S = 1 2 quantum antiferromagnetic XY model on finite triangular lattices with N sites in both longitudinal and transverse magnetic fields. We calculate physical quantities in the ground state using a diagonalization for spins N ≤ 27, and those at finite temperatures using a quantum transfer...
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