Magnonic Klein and acausal tunneling enabled by breaking the anti parity-time symmetry in antiferromagnets
Abstract 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 large rest mass resulting in high potential barrier....
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| Principais autores: | , , , , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Nature Portfolio
2023-05-01
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| Serier: | Communications Physics |
| Online adgang: | https://doi.org/10.1038/s42005-023-01222-z |
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