Peculiar velocities and microwave background anisotropies from cosmic strings

dc.contributor.author	Perivolaropoulos, Leandros	en
dc.contributor.author	Vachaspati, Tanmay	en
dc.date.accessioned	2015-11-24T18:39:14Z
dc.date.available	2015-11-24T18:39:14Z
dc.identifier.uri	https://olympias.lib.uoi.gr/jspui/handle/123456789/17405
dc.rights	Default Licence	-
dc.title	Peculiar velocities and microwave background anisotropies from cosmic strings	en
heal.abstract	Using an analytic model we show that the predictions of the cosmic string model for the peculiar velocities and the microwave background (MBR) anisotropy depend on the same combination of string evolution parameters (called $\alpha$). Normalizing $\alpha$ from the COBE detection of MBR anisotropy we show that the magnitude of the predicted velocity flows and the Cosmic Mach Number are consistent with observations on scales $5h~{-1}$Mpc to $20h~{-1}$Mpc. However, on scales $\simeq 60h~{-1}$Mpc the predicted velocities are smaller by a factor of about 4 than that suggested by observations.	en
heal.access	campus	-
heal.fullTextAvailability	TRUE	-
heal.journalName	Astrophys.J.	en
heal.journalType	peer reviewed	-
heal.publicationDate	1994	-
heal.recordProvider	Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών	el
heal.type	journalArticle	-
heal.type.el	Άρθρο Περιοδικού	el
heal.type.en	Journal article	en

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