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Phase transitions in MgSiO3 post-perovskite in super-Earth mantles

TitlePhase transitions in MgSiO3 post-perovskite in super-Earth mantles
Publication TypeJournal Article
Year of Publication2017
AuthorsUmemoto, K, Wentzcovitch, RM, Wu, SQ, Ji, M, Wang, CZ, Ho, KM
JournalEarth and Planetary Science Letters
Volume478
Pagination40-45
Date Published11
Type of ArticleArticle
ISBN Number0012-821X
Accession NumberWOS:000413380200004
Keywordsdynamics, exoplanet, First, Geophysics, habitable zone, high-pressure, mass-radius relationships, postperovskite, prediction, pressure-induced phase transition, pressures, principles, solid exoplanets, star, super-Earth, temperature, terrestrial planets
Abstract

s mantle is still debated, is a vital ingredient for modeling phase transitions and internal structure of super-Earth mantles. Specifically, we have identified new sequences of phase transformations, including new recombination reactions that depend decisively on this ratio. This is a new level of complexity that has not been previously addressed, but proves essential for modeling the nature and number of internal layers in these rocky mantles. (C) 2017 Elsevier B.V. All rights reserved.

DOI10.1016/j.epsl.2017.08.032
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Exploratory Theory