The first NewCompStar WG2 working group meeting took place in Lyon on Tuesday, November 18th. This meeting was embedded into a 3-days meeting which has started on Monday 17th with presentations related to the CompOSE project and Wednesday 19th with the WG3 meeting. These meetings gave a broad view on the activities inside NewCompStar and have facilitated cross-fertilisation between the different WGs, in addition to the work performed by the SAs.

The WG2 meeting was divided into 4 sessions, which have started with overviews given by the TLs and complemented by short presentations by the participants of the meeting. The first session contained the following presentations:

  • Isaac Vidana (TL, Univ. of Coimbra) : Nuclear equation of state for compact stars and supernovae,

  • Constanca Providencia (Univ. of Coimbra) : The importance of including a realistic inner crust EOS,

  • Adriana Raduta (IFIN Bucharest) : Equilibrium in the WS cell,

  • François Aymard (Univ. of Caen) : Sub-saturation matter in Compact Stars : nuclear modelling in the framework of the Extended Thomas-Fermi theory,

  • Mathias Hempel (Univ. of Basel) : Thermal properties of realistic supernovae equation of state,

and was closed by an 1/2h discussion session. Then, the following session contained the presentation by:

  • Gergely Barnafoldi (TL, WRCP Budapest) : Low energy QCD and super-dense matter,

and 1/2h discussion session. After lunch, we had two other sessions. The first one was :

  • Nicolas Chamel (TL, IAA Bruxelles) : Superconductivity and superfluidity in compact stars,

  • Armen Sedrakian (ITP Frankfurt) : New aspect in cooling of NS,

and 1/2h discussion session. The last session contained the presentation by :

  • Laura Tolos (TL, ICE Barcelona) : Transport phenomeno and reaction rates for compact stars and supernovae

and 1/2h discussion session. Finally, we had a last presentation at the intersection between WG2 and WG3 :

  • Jérôme Novak (LUTh Meudon) : Global neutron star models with magnetic field-dependent equation of state.

The WG2 meeting ended with a round table during which we have discussed what the WG could do for the community during the next four years. Many participants have expressed their wishes that such WG meetings could continue, assembling WG1, 2 and 3. The very lively discussions and the exchanges between the participants from WG2 and WG3 were very productive and have created a very nice emulation during the three days of meetings.