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Boundary effects produced by a Chern-Simons (CS) extension to electrodynamics are analyzed exploiting the Green's function (GF) method. We consider the electromagnetic field coupled to a. term in a way that has been proposed to provide the correct low-energy effective action for topological insul...


Martín-Ruiz, A.Cambiaso, M.Urrutia, L.F.[Green's function approach to Chern-Simons extended electrodynamics: An effective theory describing topological insulators]Green's function approach to Chern-Simons extended electrodynamics: An effective theory describing topological insulators

The Green's function method is used to analyze the boundary effects produced by a Chern-Simons extension to electrodynamics. We consider the electromagnetic field coupled to a theta term that is piecewise constant in different regions of space, separated by a common interface Sigma, the theta bou...


Martín-Ruiz, A.Cambiaso, M.Urrutia, L. F.[Electro- and magnetostatics of topological insulators as modeled by planar, spherical, and cylindrical θ boundaries: Green’s function approach]Electro- and magnetostatics of topological insulators as modeled by planar, spherical, and cylindrical θ boundaries: Green’s function approach

In the last couple of decades the Standard Model Extension has emerged as a fruitful framework to analyze the empirical and theoretical extent of the validity of cornerstones of modern particle physics, namely, of Special Relativity and of the discrete symmetries C, P and T (or some combinations ...


Cambiaso, M.Lehnert, R.Potting, R.[Structural aspects of Lorentz-violating quantum field theory]Structural aspects of Lorentz-violating quantum field theory

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