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The European Physical Journal A

, Volume 45, Issue 2, pp 169–177 | Cite as

Kaon properties in (proto-)neutron star matter

  • A. MishraEmail author
  • A. Kumar
  • S. Sanyal
  • V. Dexheimer
  • S. Schramm
Regular Article - Theoretical Physics

Abstract.

The modification of kaon and antikaon properties in the interior of (proto-)neutron stars is investigated using a chiral SU(3) model. The parameters of the model are fitted to nuclear-matter saturation properties, baryon octet vacuum masses, hyperon optical potentials and low-energy kaon-nucleon scattering lengths. We study the kaon/antikaon medium modification and explore the possibility of antikaon condensation in (proto-)neutron star matter at zero as well as finite temperature/entropy and neutrino content. The effect of hyperons on kaon and antikaon optical potentials is also investigated at different stages of the neutron star evolution.

Keywords

Neutron Star Vector Meson Pseudoscalar Meson Threshold Density Isospin Asymmetry 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • A. Mishra
    • 1
    Email author
  • A. Kumar
    • 1
  • S. Sanyal
    • 1
  • V. Dexheimer
    • 2
  • S. Schramm
    • 2
  1. 1.Department of PhysicsIndian Institute of TechnologyDelhi, New DelhiIndia
  2. 2.Frankfurt Institute for Advanced StudiesJ.W. Goethe UniversitätFrankfurt am MainGermany

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