Yes. Curiously, this would work even for a sufficiently intense beam of light. It is called "self-focusing", and has been proposed for use in an interstellar tr

Yes. Curiously, this would work even for a sufficiently intense beam of light. It is called "self-focusing", and has been proposed for use in an interstellar transport network. Your vehicles would need not to be ripped apart to individual nucleons by the intensity of the beam.