Astrophysics

 
   

Version history

29.01.2015

  • Fixed some typos in example files and modules for the composition and the EOS tables in Shen98-format.

23.10.2014

  • Uploaded complementary tables with information about nucleon single-particle properties, e.g., self-energies and effective masses.

24.04.2014

  • Uploaded two new EOS tables, BHBΛφ and BHBΛ which are extensions of the HS(DD2) by including lambda hyperons.

16.01.2014

  • Minor additions in the manual, e.g., references added, a few explanations extended.

07.08.2013

  • All EOS tables are now also available on CompOSE.

19.12.2012: v1.04

  • New table with IUFSU RMF interactions uploaded, information in manual updated.
  • The manual now also includes a figure of the M-R relation.

31.07.2012

09.07.2012: v1.03

  • Two new tables for new RMF interactions SFHo and SFHx uploaded, information in manual updated.

24.04.2012

  • Manual updated to include the description of the table for DD2.

02.09.2011

  • Another new table for TM1 uploaded, based on code version v1.02. It is calculated with considering only the alpha particle, tritons and deuterons of all light nuclei with Z ≤ 5. Heavy nuclei with Z ≥ 6 are handled as before. The format of the tables and the definition of the quantities have not been changed.

25.08.2011

  • Two new tables for TM1 uploaded, based on code version v1.02. The first one is calculated with considering only the alpha particle of all light nuclei with Z ≤ 5, the second with only the alpha particle and the deuteron. Heavy nuclei with Z ≥ 6 are handled as before. The format of the tables and the definition of the quantities have not been changed.

23.08.2011: v1.02

  • A new table for the density dependent RMF parameterization DD2 (Typel et al. PRC81, 2010) uploaded, based on code version v1.02. Other tables (NL3, TM1, TMA, FSUgold) have not been modified, i.e. they are still based on code version v1.0. Documenation for the new table is coming soon.
  • v1.02: non-uniform matter phase is present up to 50 MeV (version v1.0: 20 MeV).

09.08.2011

  • update of the composition modules: trilinear interpolation included, which allows to calculate the composition directly for arbitrary temperature, density and electron fraction

20.05.2011

  • values of the skewness coefficient K' and symmetry energy slope coefficient L included in the manual

07.05.2011: v1.0

  • use of the 2006 CODATA values for all physical constants
  • In earlier versions we used the RMF values of the nucleon masses mRMF in the RMF calculaton but the real nucleon masses mn and mp for the nuclei. Then we shifted the energy per baryon and chemical potentials of the nucleons by the rest mass differences mRMF - mn and mRMF - mp. This worked well in the non-relativistic regime, but not in the ultra-relativistic regime. Now we only use the real nucleon masses mn and mp, so that we do not need shifts any more.
  • nuclei behind the neutron drip line are not considered any more
  • grid in nB and T changed, higher resolution
  • Yp=0 included
  • nB and Yp*nB determined with the higher relative accuracy of 10-8 instead of 10-6
  • minor fixes in the calculation of Fermi-Dirac integrals in the ultra-relativstic regime
  • Shen 98 format: new definition of μp used to maintain thermodynamic consistency independently of treatment of electrons and in the Maxwell transition region

v0.244

  • excited states are only considered up to the binding energy of the corresponding nucleus

More details can be found in the manuals.