2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/19069The "one-dimensional" coherent states are applied to describe the Shubnikov - de Haas and the de Haas-van Alphen oscillation effects in metals, semimetals, and degenerate semiconductors. The oscillatory part of the electron density of states in a magnetic field is calculated. A substantial simplification of calculations is achieved.4 pages, 1 figure with captionMesoscale and Nanoscale Physicstext