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Anomalies, instantons and chiral symmetry breaking at a Lifshitz point | | Ioannis Bakas
; | | Date: |
17 Apr 2012 | | Abstract: | We give a new twist to an old-fashioned topic in quantum field theory
describing violations of the chiral charge conservation of massless fermions
through Adler-Bell-Jackiw anomalies in the background of instanton fields in
the context of non-relativistic Lifshitz theories. The results we report here
summarize in a nut-shell our earlier work on the subject found in
arXiv:1103.5693 and arXiv:1110.1332. We present simple examples where index
computations can be carried out explicitly focusing, in particular, to
gravitational models of Lifshitz type and highlight their differences from
ordinary gravity in four space-time dimensions. | | Source: | arXiv, 1204.3833 | | Services: | Forum | Review | PDF | Favorites | |
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