Magneto Inertial Fusion Based on a Cusp Field Configuration

TL;DR

This paper investigates a cusp magnetic field configuration for laser-driven flux compression in magneto inertial fusion, demonstrating improved particle confinement and magnetic insulation over previous designs.

Contribution

It introduces a new cusp magnetic field setup and a comprehensive model accounting for magnetized implosion, flux compression, and particle losses, advancing fusion confinement strategies.

Findings

Enhanced particle confinement compared to previous configurations

Improved magnetic insulation of hot fusion plasma

Identification of key parameters influencing flux compression efficiency

Abstract

We study the cusp configuration of pre-seeded magnetic field for laser-driven flux-compression. The proposed configuration provides better particle confinement than that in Ref. [O.V. Gotchev et al., Journal of Fusion Energy 27 (2008) 25-31.] thereby leading to better magnetic insulation of hot fusion plasma. We develop the model that takes into account (i) magnetized target implosion, (ii) magnetic flux compression; (iii) particle losses from magnetic trap. The key parameter governing the process is the ratio of the implosion time to the particle loss time.