candidate propulsion systems / transportation / beam energy requirement / on-board energy / overall energy / reactor technology / cycle machinery / fusion energy / energy coupling efficiencies / conventional technologies / propulsion systems / energy density / tuan laser devices / energy generation / high energy densities / external device / heat rejection technologies / interstellar transportation / raw energy / energy / travel using today / energy transfer devices / near-term interstellar travel / energy coupling / energy generation components / energy conversion / interstellar travel / faster transportation / travel time / near-term interstellar transportation / on-board propulsion technologies / pellet energy transfer / energy release / power storage technologies / star systems / power systems / generated technology requirements / unworkable solution / been accomplished evaluating interstellar travel / /
OperatingSystem
Fermi / /
Organization
African Union / /
Person
Andrews Space / Roger X. Lenarda / Dana G. Andrewsb / Robert Forward / / /
Position
fusion driver / 9×1021 J. The author / Corresponding author / /
doi:[removed]j.actaastro[removed]