Carbon ionization at gigabar pressures: An <i>ab initio</i> perspective on astrophysical high-density plasmas
Mandy Bethkenhagen, Bastian B. L. Witte, Maximilian Schörner, Gerd Röpke, Tilo Döppner, Dominik Kraus, Siegfried H. Glenzer, Philip A. Sterne, Ronald Redmer
Abstract
This work introduces an ab initio approach to calculate the ionization degree directly from the dynamic electrical conductivity in matter at extreme conditions. The method is demonstrated for high-density carbon plasmas and provides different values from what is usually reported
Topics & Concepts
IonizationPlasmaAtomic physicsPhysicsCarbon fibersPerspective (graphical)Warm dense matterAb initioWork (physics)Electrical resistivity and conductivityComputational physicsAb initio quantum chemistry methodsConductivityMaterials scienceIonization energyDegree (music)Fusion and Plasma Physics StudiesLaser-Plasma Interactions and DiagnosticsDust and Plasma Wave Phenomena