We have investigated scattering of exchange spin waves by a model nonuniformity of the effective magnetic field. In particular, certain profiles of the nonuniformity are characterized by a total transmission of the spin wave intensity while inducing large shifts to the phase of transmitted spin waves. These properties are discussed in the context of potential application within a spin wave logic device—a spin wave interferometer containing such a nonuniformity in one of its branches. We demonstrate limitations imposed upon the size and the speed of operation of such a device by a requirement that it be controlled by an external uniform magnetic field.
Real magnonic crystals -periodic magnetic media for spin wave (magnon) propagation -may contain some defects. We report theoretical spin wave spectra of a one dimensional magnonic crystal with an isolated defect. The latter is modeled by insertion of an additional layer with thickness and magnetic anisotropy values different from those of the magnonic crystal constituent layers. The defect layer leads to appearance of several localized defect modes within the magnonic band gaps. The frequency and the number of the defect modes may be controlled by varying parameters of the constituent layers of the magnonic crystal.
Data on the types of labor motivation, features of conscious selfregulation and adaptive abilities of subjects who are in a situation of changing the type of professional activity are presented. The role of these indicators in adapting to the situation of changing the type of professional activity is revealed. The purpose of the series of empirical studies is to test the model of the relationship between regulatory and motivational predictors of successful adaptation. The hypothesis of the research is the assumption that conscious self-regulation makes a significant contribution to the adaptation of the subject to a change in the type of professional activity and mediates the influence of motivational predictors. We discuss the empirical materials collected on a sample of subjects in a situation of changing the type of professional activity (unemployed, students of professional retraining programs, undergraduates) (N = 137). The analysis of the obtained data showed that the respondents, in the situation of changing the type of professional activity, have a predominant instrumental type of motivation (the validity of the labor price is important) and a predominantly low level of adaptive abilities. Conscious self-regulation is a system-forming factor in the system of predictors of adaptation. On the one hand, it allows you to compensate and overcome some limitations of work motivation, on the other — to act as a mediator of the influence of motivation on the results of adaptation
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