Quantum simulation of quantum relativistic diffusion via quantum walks. - Arnault, Pablo; Macquet, Adrian; Anglés-Castillo, Andreu; Márquez-Martín, Iván; Pina-Canelles, Vicente; Pérez, Armando; Molfetta, Giuseppe Di; Arrighi, Pablo; Debbasch, Fabrice (Journal of Physics A: Mathematical & Theoretical, 2020)