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Improving the description of the equation of state (EoS) of deuterium-tritium(DT) has recently been shown to change significantly the gain of an InertialConfinement Fusion (ICF) target (Hu et al., PRL 104, 235003 (2010)). We usehere an advanced multi-phase equation of state (EoS), based on ab initiocalculations, to perform a full optimization of the laser pulse shape withhydrodynamic simulations starting from 19 K in DT ice. The thermonuclear gainis shown to be a robust estimate over possible uncertainties of the EoS. Twodifferent target designs are discussed, for shock ignition and self-ignition.In the first case, the areal density and thermonuclear energy can be recoveredby slightly increasing the laser energy. In the second case, a lower in-flightadiabat is needed, leading to a significant delay (3ns) in the shock timing ofthe implosion.

On the change in Inertial Confinement Fusion Implosions upon using an ab initio multiphase DT equation of state