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Effective lagrangian for axial anomaly and its applications in Dirac and Weyl semimetals
A gauge invariant effective lagrangian for the fermion axial anomaly is constructed. The dynamical degree of freedom for fermion field is preserved. Using the anomaly lagrangian, the scattering cross section of pair production γγ → e(−)e(+) in Dirac or Weyl semimetal is computed. The result is compa...
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| Udgivet i: | Sci Rep |
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| Main Authors: | , , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Nature Publishing Group UK
2018
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6062581/ https://ncbi.nlm.nih.gov/pubmed/30050051 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-018-29676-0 |
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