Magnetic Fields
... can be deduced from the pattern of the iron filings. Some properties of the magnetic field: • The iron filings align parallel to the magnetic field line. • The magnetic field lines go from the north pole toward ...
... can be deduced from the pattern of the iron filings. Some properties of the magnetic field: • The iron filings align parallel to the magnetic field line. • The magnetic field lines go from the north pole toward ...
Title A coaxial magnetic gear with halbach permanent
... θ10 and θ20 are their initial phase angles. The coefficients A, B, C, and D are all functions of radial distance r and independent of the position angle θ. Second, the stationary ring is taken into account (see Fig. 6). Since magnetic saturation of the stationary ring is ignored, the ferromagnetic s ...
... θ10 and θ20 are their initial phase angles. The coefficients A, B, C, and D are all functions of radial distance r and independent of the position angle θ. Second, the stationary ring is taken into account (see Fig. 6). Since magnetic saturation of the stationary ring is ignored, the ferromagnetic s ...
Chapter 1 : Introduction
... We will see how current flows through conductor and produces magnetostatic fields ...
... We will see how current flows through conductor and produces magnetostatic fields ...
gradients - GEOCITIES.ws
... When the nuclear charge distribution deviates (5) from spherical symmetry the resulting shape of the charge distribution, most often , is that of an ellipsoid. Consider the possibility of representing, even if it be hypothetically, this deviation from spherical symmetry as accountable by adding two ...
... When the nuclear charge distribution deviates (5) from spherical symmetry the resulting shape of the charge distribution, most often , is that of an ellipsoid. Consider the possibility of representing, even if it be hypothetically, this deviation from spherical symmetry as accountable by adding two ...
Magnetoelectric coupling in the multiferroic compound LiCu O * Chen Fang,
... 057601 共2007兲兴. Our proposed model is able to relate the flop of the spin-spiral plane with the direction of the electric polarization. From our calculations we conclude that the zero-field structure observed by Seki et al. 关Phys. Rev. Lett. 100, 127201 共2004兲兴 is the correct one. Furthermore, based ...
... 057601 共2007兲兴. Our proposed model is able to relate the flop of the spin-spiral plane with the direction of the electric polarization. From our calculations we conclude that the zero-field structure observed by Seki et al. 关Phys. Rev. Lett. 100, 127201 共2004兲兴 is the correct one. Furthermore, based ...
Mutual Inductance
... The emf induced in the secondary coil may now be calculated using Faraday’s law: ...
... The emf induced in the secondary coil may now be calculated using Faraday’s law: ...
Analytical Method for Magnetic Field Calculation in , Member, IEEE
... model which is composed of a group of partial differential equations concerning the scalar magnetic potential is built up. Then, the field solutions are obtained by using the method of separating variables and analyzing the field boundary conditions. Finally, the flux densities are derived from the ...
... model which is composed of a group of partial differential equations concerning the scalar magnetic potential is built up. Then, the field solutions are obtained by using the method of separating variables and analyzing the field boundary conditions. Finally, the flux densities are derived from the ...
Plasma environment of magnetized asteroids
... The simulation geometry is shown in Fig. 1, whereas Fig. 2 displays the simulation results in the (x, y) plane which we call the equatorial plane of the obstacle. In the vicinity of the dipole, the interplanetary magnetic field exhibits a strong draping pattern. Besides, a region where the mean plas ...
... The simulation geometry is shown in Fig. 1, whereas Fig. 2 displays the simulation results in the (x, y) plane which we call the equatorial plane of the obstacle. In the vicinity of the dipole, the interplanetary magnetic field exhibits a strong draping pattern. Besides, a region where the mean plas ...
Evidence for reversible control of magnetization in magnetic field
... Mn ions and equilibrium polarization of hole spins. If further, non-equilibrium spin polarization of the holes hJE i is induced, the interaction of the hole spins with magnetic moments of Mn ions enables one to control ferromagnetism by manipulating J. Magnetic properties of (Ga,Mn)As are thus tight ...
... Mn ions and equilibrium polarization of hole spins. If further, non-equilibrium spin polarization of the holes hJE i is induced, the interaction of the hole spins with magnetic moments of Mn ions enables one to control ferromagnetism by manipulating J. Magnetic properties of (Ga,Mn)As are thus tight ...
Magnetic Neutron Scattering
... Here we write down explicit expressions for the interaction of the neutron with matter. Neutrons interact with the nuclei and with the electrons. The nuclear interaction is given by the nuclear potential, which in comparison to the neutron wavelength is well localised in space and can be replaced by ...
... Here we write down explicit expressions for the interaction of the neutron with matter. Neutrons interact with the nuclei and with the electrons. The nuclear interaction is given by the nuclear potential, which in comparison to the neutron wavelength is well localised in space and can be replaced by ...
Module P4.2 Introducing magnetism
... magnetic field. The main purpose of this subsection is to introduce magnetic fields and to explain how they can be determined. You will also see how such fields can be represented mathematically and pictorially. In physics the term field is generally used to denote a physical quantity to which a def ...
... magnetic field. The main purpose of this subsection is to introduce magnetic fields and to explain how they can be determined. You will also see how such fields can be represented mathematically and pictorially. In physics the term field is generally used to denote a physical quantity to which a def ...
Inner Magnetospheric Modeling with the Rice Convection Model
... • Missing physics: Global MHD does not include energy dependent particle drifts, which become important in the Inner Magnetosphere. • An accurate and reasonable representation of the Inner Magnetosphere should be able to compute both Electric and Magnetic fields. • Inputs to ionosphere/thermosphere ...
... • Missing physics: Global MHD does not include energy dependent particle drifts, which become important in the Inner Magnetosphere. • An accurate and reasonable representation of the Inner Magnetosphere should be able to compute both Electric and Magnetic fields. • Inputs to ionosphere/thermosphere ...
Steering polarization of infrared light through Jingxiao Cao, Hui Liu,
... resonance structures has also been demonstrated [13,24–27]. Two coupled split-ring resonators [13,24] can be used to manipulate the polarization state by means of the hybridization effect of magnetic resonances. Manipulating optical rotation is realized in the extraordinary transmission through the ...
... resonance structures has also been demonstrated [13,24–27]. Two coupled split-ring resonators [13,24] can be used to manipulate the polarization state by means of the hybridization effect of magnetic resonances. Manipulating optical rotation is realized in the extraordinary transmission through the ...
Magnetic field
A magnetic field is the magnetic effect of electric currents and magnetic materials. The magnetic field at any given point is specified by both a direction and a magnitude (or strength); as such it is a vector field. The term is used for two distinct but closely related fields denoted by the symbols B and H, where H is measured in units of amperes per meter (symbol: A·m−1 or A/m) in the SI. B is measured in teslas (symbol:T) and newtons per meter per ampere (symbol: N·m−1·A−1 or N/(m·A)) in the SI. B is most commonly defined in terms of the Lorentz force it exerts on moving electric charges.Magnetic fields can be produced by moving electric charges and the intrinsic magnetic moments of elementary particles associated with a fundamental quantum property, their spin. In special relativity, electric and magnetic fields are two interrelated aspects of a single object, called the electromagnetic tensor; the split of this tensor into electric and magnetic fields depends on the relative velocity of the observer and charge. In quantum physics, the electromagnetic field is quantized and electromagnetic interactions result from the exchange of photons.In everyday life, magnetic fields are most often encountered as a force created by permanent magnets, which pull on ferromagnetic materials such as iron, cobalt, or nickel, and attract or repel other magnets. Magnetic fields are widely used throughout modern technology, particularly in electrical engineering and electromechanics. The Earth produces its own magnetic field, which is important in navigation, and it shields the Earth's atmosphere from solar wind. Rotating magnetic fields are used in both electric motors and generators. Magnetic forces give information about the charge carriers in a material through the Hall effect. The interaction of magnetic fields in electric devices such as transformers is studied in the discipline of magnetic circuits.