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Article overview
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Bosonization approach for "atomic collapse" in graphene | Aya Kagimura
; Tetsuya Onogi
; | Date: |
2 Aug 2015 | Abstract: | We study quantum electrodynamics with 2+1 dimensional massless Dirac fermion
around a Coulomb impurity. Around a large charge with atomic number Z > 137,
the QED vacuum is expected to collapse due to the strong Coulombic force. While
the relativistic quantum mechanics fails to make reliable predictions for the
fate of the vacuum, the heavy ion collision experiment also does not give clear
understanding of this system. Recently,the "atomic collapse" resonances were
observed on graphene where an artificial nuclei can be made. In this paper, we
present our non-perturbative study of the vacuum strucuture of the
quasiparticles in graphene with a charge impurity which contains multi-body
effect using bosonization method. | Source: | arXiv, 1508.0180 | Services: | Forum | Review | PDF | Favorites |
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