Emergent magnonic singularities in anti parity-time symmetric synthetic antiferromagnets

Emergent magnonic singularities in anti parity-time symmetric synthetic antiferromagnets

We study the impact of the transition across the anti-parity-time (anti- $\mathcal{PT}$ ) symmetry breaking point on the low-energy spin excitations in a synthetic antiferromagnet (SyAFM) that consists of two magnetic layers coupled antiferromagnetically via the Ruderman–Kittel–Kasuya–Yosida (RKKY)...

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Bibliographic Details
Main Authors: Chao-Wei Sui, Shao-Hua Yuan, Xi-Guang Wang, Jamal Berakdar, Chenglong Jia
Format: Article
Language:English
Published: IOP Publishing 2022-01-01
Series:New Journal of Physics
Subjects:
spin waves
synthetic antiferromagnet
parity-time symmetry
spontaneous symmetry breaking
magnonic singularities
Online Access:https://doi.org/10.1088/1367-2630/ac52c1

Internet

https://doi.org/10.1088/1367-2630/ac52c1

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