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Strong coupling of chiral magnons in altermagnets
Zhejunyu Jin, Tianci Gong, Jie Liu +4
Altermagnets recently are identified as a new class of magnets that break the time-reversal symmetry without exhibiting net magnetization. The role of the dipole-dipole interaction…
Low-lying magnon frequency comb in skymion crystals
Xuejuan Liu, Zhejunyu Jin, Zhengyi Li +6
A stable, low-power and tunable magnon frequency comb (MFC) is crucial for magnon-based precision measurements, quantum information processing and chip integration. Original method…
Skyrmion Hall effect in altermagnets
Zhejunyu Jin, Zhaozhuo Zeng, Yunshan Cao +1
It is widely believed that the skyrmion Hall effect is absent in antiferromagnets because of the vanishing topological charge. However, the Aharonov-Casher theory indicates the pos…
Cavity-Induced Strong Magnon-Magnon Coupling in Altermagnets
Zhejunyu Jin, Huanhuan Yang, Zhaozhuo Zeng +2
Long-distance strong coupling between short-wavelength magnons remains an outstanding challenge in quantum magnonics, an emerging interdiscipline between magnonics and quantum info…
Negative Gilbert damping in cavity optomagnonics
Yunshan Cao, Peng Yan
Exceptional point (EP) associated with the parity-time (PT) symmetry breaking is receiving considerable recent attention by the broad physics community. By introducing balanced gai…
Higher-order exceptional points in all-magnetic structures
Tianlin Yu, Huanhuan Yang, Lingling Song +2
Magnetometers with exceptional sensitivity are highly demanded in solving a variety of physical and engineering problems, such as measuring Earth's weak magnetic fields and prospec…