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IHEP 2009 - 2 (In Russian)
V.V.Braguta
Path Integrals in Quantum Mechanics
Protvino, 2009. – p. 7, refs.: 3.


The main aim of this preprint is to give brief introduction into the approach - path integral which realizes alternative approach to quantum mechanic and what is more important it has become the key to deep understanding of quantum field theory which extends from particle physics to the physics of phase transition. In particular, it is shown in the preprint that the evolution of wave function in quantum mechanic can be written as the path integral, what gives new insight to the evolution in quantum mechanic. Using the path integral the simplest quantum mechanical problems have been solved: free particle, harmonic oscillator and semiclassical motion in the arbitrary potential.


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