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It is shown that the nature of magnetic breakdown is associated with intraband and interband transitions, with intraband transitions being possible in narrow ranges of values and interband transitions in wide ranges.It has been found that the magnetic breakdown region is a region of convergence of classical trajectories. In other words, the electron state in the magnetic breakdown configuration is a superposition of semiclassical states. This is why geometric models can be used to study magnetic breakdown, and the physical quantities characterizing a metal during magnetic breakdown can be expressed in terms of the dispersion law and unitary second-rank matrices describing two-channel scattering in the magnetic breakdown region.Magnetic breakdown manifests itself in a variety of ways, and understanding magnetic breakdown properties is essential for deciphering the energy spectrum of a metal, since during the breakdown process the electron ends up in a region of p -space that is inaccessible during classical motion.