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Neutron Stars—Possibilities and Limits for Exotic Phases

  • S. SchrammEmail author
  • V. Dexheimer
  • R. Mallick
Chapter
Part of the FIAS Interdisciplinary Science Series book series (FIAS)

Abstract

Neutron star physics has become one of the central topics of nuclear astrophysics. The extremely high densities in the core region of neutron stars potentially allow for exotic particles and phases to exist. This includes hyperons, quarks, as well as meson condensates. Exotic phases, however, tend to soften the equation of state, thereby reducing the maximum star masses that can be obtained. In this context, the discovery of 2-solar-mass neutron stars in recent year has led to significant constraints on the amount and type of exotic matter in the stellar interior. The article presents a partial survey of possible exotica in neutron stars.

Notes

Acknowledgments

The authors acknowledge support from NewCompStar. SWS acknowledges financial support from the LOEWE program HIC for FAIR and the Helmholtz virtual institute NAVI. Numerical calculations were performed on the systems of the Center for Scientific Computing, Goethe University, Frankfurt.

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Copyright information

© Springer International Publishing Switzerland 2017

Authors and Affiliations

  1. 1.FIASFrankfurt am MainGermany
  2. 2.Department of PhysicsKent State UniversityKentUSA
  3. 3.Indian Institute of Science Education and Research BhopalBhopalIndia

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