Higher-derivative Lorentz-breaking terms in extended QED at the finite temperature
classification
✦ hep-th
keywords
temperaturefinitehigher-derivativetermsextendedlorentz-breakingtermambiguities
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In this paper we discuss finiteness and ambiguities of the higher-derivative Lorentz-breaking terms in extended QED with a magnetic coupling at the finite temperature. We find that, beside of the higher-derivative Carroll-Field-Jackiw-like term and Myers-Pospelov term, many new terms arise in a finite temperature case, but most of them vanish in high temperature limit.
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