Dissipative coupling of two magnon modes through a lossy cavity realizes an anti-PT symmetric Hamiltonian, and the associated level-attraction phase transition is observed near the exceptional point.
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Observation of anti-PT symmetry phase transition in the magnon-cavity-magnon coupled system
Dissipative coupling of two magnon modes through a lossy cavity realizes an anti-PT symmetric Hamiltonian, and the associated level-attraction phase transition is observed near the exceptional point.