STRUCTURE FORMATION IN THE SYMMETRON MODEL

• Published in: The Astrophysical journal Vol. 748; no. 1; pp. 61 - 18
• Main Authors: Davis, Anne-Christine, Li, Baojiu, Mota, David F., Winther, Hans A.
• Format: Journal Article
• Language: English
• Published: Bristol IOP 20.03.2012; University of Chicago Press
• Subjects: Astronomy; ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; Broken symmetry; COMPUTERIZED SIMULATION; COSMOLOGICAL MODELS; COSMOLOGY; Dynamical systems; Earth, ocean, space; Exact sciences and technology; Formations; Halos; High density; NONLINEAR PROBLEMS; Retarding; SCALAR FIELDS; Scalars; Shields; SYMMETRY BREAKING; UNIVERSE; Power spectra; High density; Digital simulation; large-scale structure of Universe; N body system; cosmology: miscellaneous; Strong coupling; Large-scale structure; cosmology: theory; Screening; Mass function; Cosmology; Models; Scalar fields

Scalar fields, strongly coupled to matter, can be present in nature and still be invisible to local experiments if they are subject to a screening mechanism. The symmetron is one such mechanism that relies on restoration of a spontaneously broken symmetry in regions of high density to shield the sca...