CMB and LSS Power Spectra From Local Cosmic String Seeded Struture Formation

Details CMB and LSS Power Spectra From Local Cosmic String Seeded Struture Formation CMB and LSS Power Spectra From Local Cosmic String Seeded Struture Formation

1998-10-26

arxiv.org/abs/astro-ph/9810411v1

Astronomy and Astrophysics

Astrophysics

Latex, 6 pages, 2 figures. For publication in "The CMB and the Planck Mission", proceedings of the UIMP98 meeting held in Sant

Scientific paper

We evaluate the two point functions of the stress energy from the largest string simulations carried out so far. The two point functions are used to calculate the cosmic microwave background (CMB) and cold dark matter (CDM) power spectra from local cosmic string models for structure formation. We find that our spectra differ significantly from those previously calculated for both global and local defects. We find a higher Doppler peak at $l=400-600$ and a less severe bias problem than for global defects. Spectra were obtained for a variety of network energy-decay mechanisms.

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