Skip to main content
SearchLogin or Signup

Scratching Below The Surface Of White Dwarfs: Equation Of State Measurements At Unprecedented Pressures

Presentation #302.04 in the session “Laboratory Astrophysics Division (LAD): Fundamental Nuclear and Atomic Data for Compact Objects”.

Published onJun 18, 2021
Scratching Below The Surface Of White Dwarfs: Equation Of State Measurements At Unprecedented Pressures

We have started a program to measure the equation of state of shock-compressed carbon and oxygen with the new Gbar platform at the National Ignition Facility (NIF), the world’s highest energy laser. By reaching pressures of ~1015 dyn/cm2 (109 bar) and temperatures of a few 106 K (100 eV), it is now possible to probe the regime of partial ionization of dense carbon and oxygen, where the equation of state is rather uncertain theoretically and untested by experiments. The new measurements will constrain theoretical models and tables of the equation of state of carbon and oxygen in a regime that is critical to understand several phenomena in white dwarfs.


Comments
0
comment

No comments here