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Information × Registration Number 0225U000226, (0124U000270) , R & D reports Title Physical principles of non-Booleal information processing in magnonic nanoelements popup.stage_title Збудження та стійкість нелінійних спінових хвиль Head Verba Roman V., Доктор фізико-математичних наук Registration Date 07-01-2025 Organization Institute of Magnetism NAS of Ukraine and MES of Ukraine popup.description1 Theoretical and experimental study of nonlinear interaction of propagating spin waves with different types of localized pumping and stochastic spin-wave dynamics in magnetic nanostructures and systems based on them, and development of the operational principles of elements of non-Boolean (probabilistic and neuromorphic) magnonic computing systems on the basis of the studied physics laws. popup.description2  The functionality of a magnonic repeater – a device that amplifies the input signal, normalizes its amplitude and phase – is proposed and demonstrate; its operation principle is based on the phenomenon of bistability of the magnon state under excitation by a microstrip antenna. The functionality of the magnon transistor based on the phenomenon of stimulated three-magnon splitting in a nanoscale waveguide magnetized in the plane at an angle to its axis is demonstrated with numerical methods; a gain of 9 is achieved and the phase of the drain magnons is found to depend only on the phase of the source magnons, which is important for utilization in phase-encoded systems. The phenomenon of nonlinear erasure of spin-wave pulses is revealed and is explained by the cross-nonlinear frequency shift, which can make a pulse of a lower frequency a non-resonant state of the system; this phenomenon is interesting for the implementation of complex logic operations and the development of recurrent neuromorphic computational functions, such as fading memory. A new method of excitation of ultrashort exchange spin waves in antiferromagnetics based on spin-wave emission of the domain wall, whose internal rotational dynamics is excited by a spin current, is proposed. Product Description popup.authors Ivanov Borys O. Borynskyi Vladyslav Yu. Ihor V. Herasymchuk Polek Taras I. Reshetniak Serhii O. Teslia Roman R. popup.nrat_date 2025-01-07 Close