Chaowei Sui
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View article: Magnonic Klein and acausal tunneling enabled by breaking the anti parity-time symmetry in antiferromagnets
Magnonic Klein and acausal tunneling enabled by breaking the anti parity-time symmetry in antiferromagnets Open
Klein tunneling associated with particle-antiparticle pair productions across a potential barrier is a key prediction of quantum-field theory for relativistic particles. Yet, a direct experimental realization is hampered by the particles l…
View article: Emergent magnonic singularities in anti parity-time symmetric synthetic antiferromagnets
Emergent magnonic singularities in anti parity-time symmetric synthetic antiferromagnets Open
We study the impact of the transition across the anti-parity-time (anti- ) symmetry breaking point on the low-energy spin excitations in a synthetic antiferromagnet (SyAFM) that consists of two magnetic layers coupled antiferromagnetical…