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Connecting Planetary Composition with Formation

  • Ralph E. Pudritz
  • Alex J. Cridland
  • Matthew Alessi
Living reference work entry

Abstract

The rapid advances in observations of the different populations of exoplanets, the characterization of their host stars and the links to the properties of their planetary systems, the detailed studies of protoplanetary disks, and the experimental study of the interiors and composition of the massive planets in our solar system provide a firm basis for the next big question in planet formation theory. How do the elemental and chemical compositions of planets connect with their formation? The answer to this requires that the various pieces of planet formation theory be linked together in an end-to-end picture that is capable of addressing these large data sets. In this review, we discuss the critical elements of such a picture and how they affect the chemical and elemental makeup of forming planets. Important issues here include the initial state of forming and evolving disks, chemical and dust processes within them, the migration of planets and the importance of planet traps, the nature of angular momentum transport processes involving turbulence and/or MHD disk winds, planet formation theory, and advanced treatments of disk astrochemistry. All of these issues affect, and are affected by, the chemistry of disks which is driven by X-ray ionization of the host stars. We discuss how these processes lead to a coherent end-to-end model and how this may address the basic question.

Notes

Acknowledgements

We thank Phil Armitage for his thoughtful referee report. We also thank Yasuhiro Hasegawa, Ted Bergin, Til Birnstiel, Christoph Mordasini, Thomas Henning, Dimitry Semenov, Nikku Madhusudhan, Richard Nelson, and Colin McNally for enlightening discussions during the course of this project. This research was supported by a Discovery Grant to REP from the Natural Sciences and Engineering Research Council of Canada (NSERC), as well as by NSERC postgraduate scholarships to AC and MA.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Ralph E. Pudritz
    • 1
    • 2
  • Alex J. Cridland
    • 3
  • Matthew Alessi
    • 1
  1. 1.Department of Physics and AstronomyMcMaster UniversityHamiltonCanada
  2. 2.Origins InstituteMcMaster UniversityHamiltonCanada
  3. 3.Leiden ObservatoryLeiden University2300 RA LeidenThe Netherlands

Section editors and affiliations

  • Ralph Pudritz
    • 1
  1. 1.Origins InstituteMcMaster UniversityHamiltonCanada

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