The magnetoelectric coupling in electrodynamics

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dc.contributor.authorMartín-Ruiz A.
dc.contributor.authorCambiaso, M.
dc.contributor.authorUrrutia, L.F.
dc.date.accessioned2021-11-15T19:42:06Z
dc.date.available2021-11-15T19:42:06Z
dc.date.issued2019-11
dc.descriptionIndexación: Scopuses
dc.description.abstractWe explore a model akin to axion electrodynamics in which the axion field (t,x) rather than being dynamical is a piecewise constant effective parameter encoding the microscopic properties of the medium inasmuch as its permittivity or permeability, defining what we call a-medium. This model describes a large class of phenomena, among which we highlight the electromagnetic response of materials with topological order, like topological insulators for example. We pursue a Green's function formulation of what amounts to typical boundary-value problems of-media, when external sources or boundary conditions are given. As an illustration of our methods, which we have also extended to ponderable media, we interpret the constant as a novel topological property of vacuum, a so called-vacuum, and restrict our discussion to the cases where the permittivity and the permeability of the media is one. In this way we concentrate upon the effects of the additional coupling which induce remarkable magnetoelectric effects. The issue of boundary conditions for electromagnetic radiation is crucial for the occurrence of the Casimir effect, therefore we apply the methods described above as an alternative way to approach the modifications to the Casimir effect by the inclusion of topological insulators. © 2019 World Scientific Publishing Company.es
dc.description.urihttps://arxiv-org.recursosbiblioteca.unab.cl/pdf/1808.09337.pdf
dc.identifier.citationInternational Journal of Modern Physics A Volume 34, Issue 2810 October 2019 Article number 1941002es
dc.identifier.doi10.1142/S0217751X19410021
dc.identifier.issn0217-751X
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/20902
dc.language.isoenes
dc.publisherWorld Scientific Publishing Co. Pte Ltdes
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subjectelectrodynamicses
dc.subjectCasimir effectes
dc.subjectMagnetoelectric effectes
dc.subjecttopological insulatorses
dc.titleThe magnetoelectric coupling in electrodynamicses
dc.typeArtículoes
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