Deutsch
 
Hilfe Datenschutzhinweis Impressum
  DetailsucheBrowse

Datensatz

DATENSATZ AKTIONENEXPORT
Zur Ablage hinzufügen
  Lokale TagsFreigabegeschichteDetailsÜbersicht

Freigegeben
Zeitschriftenartikel

Cosmic Microwave Background Anisotropy Induced by Cosmic Strings on Angular Scales ≳15′

MPG-Autoren
/persons/resource/persons40518

Allen,  Bruce
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Externe Ressourcen
Es sind keine externen Ressourcen hinterlegt
Volltexte (beschränkter Zugriff)
Für Ihren IP-Bereich sind aktuell keine Volltexte freigegeben.
Volltexte (frei zugänglich)

prl79-2624.pdf
(Verlagsversion), 155KB

Ergänzendes Material (frei zugänglich)
Es sind keine frei zugänglichen Ergänzenden Materialien verfügbar
Zitation

Allen, B., Caldwell, R. R., Dodelson, S., Knox, L., Shellard, E. P. S., & Stebbins, A. (1997). Cosmic Microwave Background Anisotropy Induced by Cosmic Strings on Angular Scales ≳15′. Physical Review Letters, 79(14), 2624-2627. doi:10.1103/PhysRevLett.79.2624.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0013-5A71-B
Zusammenfassung
We have computed an estimate of the angular power spectrum of the cosmic microwave background induced by cosmic strings on angular scales ≳15′, using a numerical simulation of a cosmic string network and have decomposed this pattern into scalar, vector, and tensor parts. The anisotropies from vector modes dominate except on very small angular scales, and we find no evidence for strong acoustic oscillations in the scalar anisotropy. The anisotropies generated after recombination are even more important than in adiabatic models. The total anisotropy on small scales is inconsistent with current measurements. The calculation has a number of uncertainties, the largest of which is due to finite temporal range.