2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47952We study the relativistic van Alphen--de Haas effect in cold dense quark matter in a homogeneous magnetic field which arises from oscillations in the effective potential of an underlying extended NJL-model. Finally, we discuss the phase structure of the model in the parameter plane $(μ,H)$ and the solution of the mass gap equation.8 pages, LaTeX, 1 figure, compressed into uu-fileHigh Energy Physics - Phenomenologytext