Physics of Interference of Quantum Particles

The bra + ket quantum language, introduced earlier by the authors to explain quantum correlation at macroscopic distances, makes it possible to understand the physical mechanism of interference of individual quantum particles without the idea of the transformation of a wave into a particle and vice versa, as well as to avoid claims of retrocausality, nonlocality, instantaneous interaction, and other similar phenomena supposedly inherent in quantum mechanics. Within the bra + ket approach, double- and triple-slit experiments, delayed choice experiments, and some more complex interference experiments with variable parameters were considered, the results of which has provoked a lively discussion over many years with opposite conclusions about particle trajectories in interferometers.