Magnetic field effects components

For a complete suppression of the local magnetic field effects, however, one should also compensate its transversal component perpendicular to the magnet axis. This requires a pair of auxiliary coils, oriented in a correct direction in the magnet s azimuth plane, and capable of generating a transversal field component of the correct magnitude and sign (for more details, see Ref. 70)). 

Figure 156 A comparison of the magnetic field effects on the EL (curves B and C) of tetracene crystals with (a) low and (b) high DEL component (crystals II and I, respectively, from Fig. 155a). The change of photoluminescence (PL) as a function of B is shown by the broken line (curves A). The effect was measured in two different wavelength regions A and B in the red edge and A and C in the short wavelength and emission maximum. No difference in the shape of field evolution of PL was observed. Reprinted from Ref. 287. Copyright 1975 with permission from Elsevier.

Magnetic field effects. 331 Magnetic moment, 77, 331-32, 385 z component. 161-63 p and ft" contributions, 164-65, 170 excited stale. 158-59 Magnetic optical rotary dispersion (MORD), 142 Maleic anhydride, 420 Maleic dinitrile. 434 Maleimide. 420... 

Since the level is split only in the presence of a magnetic field, the components of the line are degenerate in the absence of the field. Since only discrete orientations are permitted, the angular momentum vector J must be space-quantized in a magnetic field. The number of components of M that are possible is 2J + 1 thus if J = 2, then M = 5, and if J = f, M = 6. Examples of the Zeeman effect are shown in Figure 2-10 for several spectral lines of scandium. 

In the Voigt effect, the scattered radiation has two components. One is polarized parallel to the magnetic field (normal component) and the other... 

For the Voigt effect, the scattered radiation has two components. One is polarized parallel to the magnetic field (normal component) and the other perpendicular to the field (abnormal component). When no and n are the respective refractory indices, the intensity of the scattered radiation Iy k) can be calculated as for the Faraday effect. 

In this article, we emphasize on the distance dependence of magnetic field effect (MFE) on donor-acceptor (D-A) pair inside confined environment of A0T/H20/n-heptane reverse micellar (RMs) system. For this study N, N-dimethyl aniline (DMA) is used as an electron donor while the proton-ated form of Acr is treated as an electron acceptor. We report the occurrence of an associated excited state proton transfer with the photoinduced electron transfer between Acr and DMA forming corresponding radical pair (RP) and radical ion pairs (RIP). The fate of these reaction products has been tested in the presence of an external magnetic field ( 0.08T) by varying the size of the RMs. The MFE between Acr and DMA has been compared with the results of the interactions between Acr and TEA. We accentuate the importance of the localization of D and A inside the RMs, and the intervening distance between the pair to be the critical component for observing substantial MFE. 

To define the thennodynamic state of a system one must specify fhe values of a minimum number of variables, enough to reproduce the system with all its macroscopic properties. If special forces (surface effecls, external fields—electric, magnetic, gravitational, etc) are absent, or if the bulk properties are insensitive to these forces, e.g. the weak terrestrial magnetic field, it ordinarily suffices—for a one-component system—to specify fliree variables, e.g. fhe femperature T, the pressure p and the number of moles n, or an equivalent set. For example, if the volume of a surface layer is negligible in comparison with the total volume, surface effects usually contribute negligibly to bulk thennodynamic properties. 

An effect of space quantization of orbital angular momentum may be observed if a magnetic field is introduced along what we now identify as the z axis. The orbital angular momentum vector P, of magnitude Pi, may take up only certain orientations such that the component (Pi) along the z axis is given by... 

The coupling of S to the intemuclear axis is caused not by the electrostatic field, which has no effect on it, but by the magnetic field along the axis due to the orbital motion of the electrons. Figure 7.16(a) shows that the component of S along the intemuclear axis is Ffi. The quantum number F is analogous to Mg in an atom and can take the values... 

This deleterious effect can be obviated by introducing additional components of magnetic field, causing the field lines to circumscribe the toms without ever closing on themselves. The net magnetic field is then composed of a major, or toroidal, field component produced by the current cods, plus a smaller poloidal component which gives the desired twist to the lines. Particle drifts weaken or nullify the harmful electrical field and the plasma no longer tends to move to the wads. 

Now the effective conductivity ia the direction of the electric field is <7/(1 + /5 ), ie, the scalar conductivity reduced by a factor of (1 + /5 ) by the magnetic field. Also, the electric current no longer flows in the direction of the electric field a component j exists which is perpendicular to both the electric and magnetic fields. This is the Hall current. The conductivity in the direction of the Hall current is greater by a factor of P than the conductivity in the direction of the electric field. The calculation of the scalar conductivity starts from its definition ... 

The plus sign indicates a positive sequence harmonic and the minus. sign a negative sequence harmonic. Their effect is same as for the positive and the negative seqtience components discussed in Section I2.2(v) and ctiuses pulsation in the magnetic field and hence, in the torque of a rotiitimi machine. 

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