Astrophysics

   

Polarized Light from the Sun: Unification of the Corona and Analysis of the Second Solar Spectrum – Further Implications of a Liquid Metallic Hydrogen Solar Model

Authors: Pierre-Marie Robitaille, Dmitri Rabounski

In order to account for the slight polarization of the continuum towards the limb, proponents of the Standard Solar Model (SSM) must have recourse to electron or hydrogen based scattering of light, as no other mechanism is possible in a gaseous Sun. Conversely, acceptance that the solar body is comprised of condensed matter opens up new avenues in the analysis of this problem, even if the photospheric surface itself is viewed as incapable of emitting polarized light. Thus, the increased disk polarization, from the center to the limb, can be explained by invoking the scattering of light by the atmosphere above the photosphere. The former is reminiscent of mechanisms which are known to account for the polarization of sunlight in the atmosphere of the Earth. Within the context of the Liquid Metallic Hydrogen Solar Model (LMHSM), molecules and small particles, not electrons or hydrogen atoms as required by the SSM, would primarily act as scattering agents in regions also partially comprised of condensed hydrogen structures (CHS). In addition, the well-known polarization which characterizes the K-corona would become a sign of emission polarization from an anisotropic source, without the need for scattering. In the LMHSM, the K, F, and T-coronas can be viewed as emissive and reflective manifestations of a single coronal entity adopting a radially anisotropic structure, while slowly cooling with altitude above the photosphere. The presence of “dust particles”, advanced by proponents of the SSM, would no longer be required to explain the F and T-corona, as a single cooling structure would account for the properties of the K, F, and T coronas. At the same time, the polarized “Second Solar Spectrum”, characterized by the dominance of certain elemental or ionic spectral lines and an abundance of molecular lines, could be explained in the LMHSM, by first invoking interface polarization and coordination of these species with condensed matter in the chromosphere. The prevalence of polarized signals from the Rare Earth metals, a chemically unique group of the periodic table, provides powerful evidence, based on the “Second Solar Spectrum”, that chemical reactions and coordination are taking place in the atmosphere of the Sun. This concept is also supported by the polarized signal from lithium, an element previously hypothesized to assist in stabilizing metallic hydrogen structures. The possibility that some atoms are coordinated with CHS implies that the relative abundance of elements cannot be simply ascertained through the analysis of emission or absorption lines in the solar atmosphere.

Comments: 10 Pages. First published in: Progress in Physics, 2015, v. 11(3), 236-256.

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[v1] 2015-10-15 21:37:17

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