Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/48251
Título: Induced Maxwell–Chern–Simons effective action in very special relativity
Palavras-chave: Electrodynamics relativity
Furry's theorem
Self-coupling
Relatividade eletrodinâmica
Teorema de Furry
Auto-acoplamento
Data do documento: 2020
Editor: Springer
Citação: BUFALO, R. et al. Induced Maxwell–Chern–Simons effective action in very special relativity. The European Physical Journal C, Heidelberg, v. 80, 1129, 2020. DOI: 10.1140/epjc/s10052-020-08660-x.
Resumo: In this paper, we study the one-loop induced photon’s effective action in the very special relativity electrodynamics in (2+1) spacetime (VSR–QED3). Due to the presence of new nonlocal couplings resulting from the VSR gauge symmetry, we have additional graphs contributing to the ⟨AA⟩ and ⟨AAA⟩ amplitudes. From these contributions, we discuss the VSR generalization of the Abelian Maxwell–Chern–Simons Lagrangian, consisting in the dynamical part and the Chern–Simons-like self-couplings, respectively. We use the VSR–Chern–Simons electrodynamics to discuss some non-Ohmic behavior on topological materials, in particular VSR effects on Hall’s conductivity. In the dynamical part of the effective action, we observe the presence of a UV/IR mixing, due to the entanglement of the VSR nonlocal effects to the quantum higher-derivative terms. Furthermore, in the self-coupling aspect, we verify the validity of the Furry’s theorem in the VSR–QED3 explicitly.
URI: http://repositorio.ufla.br/jspui/handle/1/48251
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