English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

By-now photons are the unique universal messengers. Cosmol gica sources like far-away galaxies or quasars are well-known light-emitters. Here we demon strate that the nonlinear electrodynamics (NLED) description of photon propagation through the weak background intergalactic magnetic fields modifies in a fundamental way the cosmologica l redshift,z, that a direct computation within a specific cosmological model can abscribe to a distant source. Independently of the class of NLED Lagrangian, the effective redshift turns o ut t be(1+z)|eff = (1+z) ∆, where ∆≡ (1+Φe)/(1+Φo), with Φ ≡ 8/3(LFF/LF)B, beingLF = dL/dF, LFF = d2L/dF2, the field F ≡ Fαβ Fαβ , andB the magnetic field strength. Thus the effective redshift is a lways much lower than the standard redshift, but it recovers such limit when t NLED correction∆(Φe,Φo) −→ 1. Therefore, once that we do not actually ever observe proper d istances, then one can argue that for a particular redshift the observed luminosity distance of the light-emitting far-away source is different. The observational implications of this peculia r result are discussed.

Luminosity distance vs. proper distance: Effects of nonlinear electrodynamics in cosmology