Dust content solutions for the Alcubierre warp drive spacetime Osvaldo L. Santos-Pereira, Everton M. C. Abreu and Marcelo B. Ribeiro Eur. Phys. J. C, 80 8 (2020) 786 Published online: 27 August 2020 DOI: 10.1140/epjc/s10052-020-8355-2