Non-Hermitian topological magnonics

T Yu, J Zou, B Zeng, JW Rao, K Xia - Physics Reports, 2024 - Elsevier
Dissipation in mechanics, optics, acoustics, and electronic circuits is nowadays recognized
to be not always detrimental but can be exploited to achieve non-Hermitian topological …

Exceptional points in coupled vortex-based spin-torque oscillators

AA Matveev, AR Safin, SA Nikitov - Physical Review B, 2023 - APS
We theoretically study the linear and nonlinear dynamics of a system of mutually coupled
magnetic vortices. We consider the excitation of vortex dynamics by both an external …

Non-isochronous exceptional point shift in coupled spin-torque nano-oscillators

O Temnaya, S Nikitov - Journal of Magnetism and Magnetic Materials, 2024 - Elsevier
This paper explores the nonlinear dynamics of mutually coupled spin-torque nano-
oscillators and examines the relationship between non-isochronism and the appearance of …

Spin current for tuning the band gaps of spin waves

MA Morozova, ND Lobanov, OV Matveev… - Journal of Magnetism …, 2023 - Elsevier
The paper reveals the mechanisms of interaction between the spin current in a conductor
with strong spin–orbit coupling (Pt) and the spin wave in ferromagnetic media (YIG) with …

Gap electroacoustic waves in PT-symmetric piezoelectric heterostructure near the exceptional point

EA Vilkov, OA Byshevski-Konopko… - Journal of Physics …, 2023 - iopscience.iop.org
The spectral properties of gap electroacoustic waves in a PT-symmetric structure of
piezoelectrics of symmetry class 6 mm separated by a gap are theoretically investigated …

Bragg Resonances in a Yttrium Iron Garnet–Platinum–Yttrium Iron Garnet Layered Structure

ND Lobanov, OV Matveev, MA Morozova - Bulletin of the Russian …, 2024 - Springer
A theoretical study is performed of the interaction between spin current in a strongly spin-
orbit-coupled platinum (Pt) conductor and a spin wave in ferromagnetic layers of yttrium iron …

Influence of Nonlinearity on an Exceptional Point in a System of Coupled Duffing Oscillators

OS Temnaya, AR Safin, OV Kravchenko… - Journal of …, 2023 - Springer
The effect of nonlinearity on the displacement of an exceptional point in a system of two
coupled Duffing oscillators with a change in the coupling coefficients and insertion loss was …

[HTML][HTML] Современное состояние исследований в спинтронике и магнонике

ДВ Калябин, СА Никитов - … зондирования, распространения и …, 2023 - cyberleninka.ru
Представлен обзор современного состояния исследований в области спинтроники и
магноники. Рассмотрены основные концепции создания устройств на принципах …

Non-Isochronous Exceptional Point Shift in Coupled Spin-Torque

O Temnaya, S Nikitov - Available at SSRN 4739556 - papers.ssrn.com
This paper explores the nonlinear dynamics of interconnected spin-torque nano-oscillators
and examines the relationship between non-isochronism and the appearance of exceptional …

Влияние нелинейности на особую точку в системе связанных осцилляторов Дуффинга

ОС Темная, АР Сафин, ОВ Кравченко… - Radiotehnika i …, 2023 - journals.rcsi.science
Исследовано влияние нелинейности на смещение особой точки в системе двух
связанных осцилляторов Дуффинга при изменении коэффициентов связи и вносимых …