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dc.date.accessioned 2021-09-16T17:51:48Z
dc.date.available 2021-09-16T17:51:48Z
dc.date.issued 2019
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/125010
dc.description.abstract We analyze the properties of the electric and magnetic fields in different reference frames within a cosmological background spacetime. First, we investigate the conformal properties of the electromagnetic fields and charge currents, discussing how the spatial curvature of the Universe affects the field on different scales. Then, we analyze the effects of the expansion of the Universe on local electromagnetic sources using Fermi coordinates. In particular, we investigate the energy balance and Poynting flux in this locally defined reference frame. We show that a charge following the Hubble flow in an accelerated FLRW universe is accelerated as seen by the local inertial frame, leading to non-null radiation. en
dc.language en es
dc.subject Physics es
dc.subject Spacetime es
dc.subject Inertial frame of reference es
dc.subject Field (physics) es
dc.subject Poynting vector es
dc.subject Metric expansion of space es
dc.subject Electromagnetic field es
dc.subject Friedmann–lemaître–robertson–walker metric es
dc.subject Classical mechanics es
dc.subject Universe es
dc.title Electromagnetic fields and charges in expanding universes en
dc.type Articulo es
sedici.identifier.other arXiv:1903.01877 es
sedici.identifier.other doi:10.1103/physrevd.99.064017 es
sedici.identifier.issn 2470-0010 es
sedici.identifier.issn 2470-0029 es
sedici.creator.person Combi, Luciano es
sedici.creator.person Romero, Gustavo Esteban es
sedici.subject.materias Ciencias Astronómicas es
sedici.description.fulltext true es
mods.originInfo.place Instituto Argentino de Radioastronomía es
sedici.subtype Preprint es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Physical Review D es
sedici.relation.journalVolumeAndIssue vol. 99, no. 6 es


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