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Abstract:

We briefly review certain aspects of cosmic microwave background anisotropies as generated in passive and active models of structure formation. We then focus on cosmic strings based models and discuss their status in the light of current high-resolution observations from the BOOMERanG, MAXIMA and DASI collaborations. Upcoming megapixel experiments will have the potential to look for non-Gaussian features in the CMB temperature maps with unprecedented accuracy. We therefore devote the last part of this review to treat the non-Gaussianity of the microwave background and present a method for computation of the bispectrum from simulated string realizations. © 2002 Elsevier Science B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Cosmic string signatures in anisotropies of the cosmic microwave background
Autor:Gangui, A.; Pogosian, L.; Winitzki, S.
Filiación:Instituto de Astronomía y Física del Espacio, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Departamento de Física, Universidad de Buenos Aires, Ciudad UniversitariaPab. 1, 1428 Buenos Aires, Argentina
Theoretical Physics, The Blackett Laboratory, Imperial College, Prince Consort Road, London SW7 2BZ, United Kingdom
Department of Physics and Astronomy, Tufts University, Medford, MA 02155, United States
Palabras clave:Bispectrum; Cosmic microwave background radiation; Cosmic strings
Año:2002
Volumen:46
Número:11
Página de inicio:681
Página de fin:691
DOI: http://dx.doi.org/10.1016/S1387-6473(02)00236-1
Título revista:New Astronomy Reviews
Título revista abreviado:New Astron. Rev.
ISSN:13876473
CODEN:NAREF
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13876473_v46_n11_p681_Gangui

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Citas:

---------- APA ----------
Gangui, A., Pogosian, L. & Winitzki, S. (2002) . Cosmic string signatures in anisotropies of the cosmic microwave background. New Astronomy Reviews, 46(11), 681-691.
http://dx.doi.org/10.1016/S1387-6473(02)00236-1
---------- CHICAGO ----------
Gangui, A., Pogosian, L., Winitzki, S. "Cosmic string signatures in anisotropies of the cosmic microwave background" . New Astronomy Reviews 46, no. 11 (2002) : 681-691.
http://dx.doi.org/10.1016/S1387-6473(02)00236-1
---------- MLA ----------
Gangui, A., Pogosian, L., Winitzki, S. "Cosmic string signatures in anisotropies of the cosmic microwave background" . New Astronomy Reviews, vol. 46, no. 11, 2002, pp. 681-691.
http://dx.doi.org/10.1016/S1387-6473(02)00236-1
---------- VANCOUVER ----------
Gangui, A., Pogosian, L., Winitzki, S. Cosmic string signatures in anisotropies of the cosmic microwave background. New Astron. Rev. 2002;46(11):681-691.
http://dx.doi.org/10.1016/S1387-6473(02)00236-1