Derivation of the harmonic oscillator propagator using the Feynman path integral and recursive relations

European Journal of Physics, Volume 34 Number 3, 2013. P777.

Kiyoto Hira

Sumiyoshi, Hatsukaichi, Hiroshima 738-0014, Japan

Abstract

 

We present the simplest and most straightforward derivation of the one-dimensional harmonic oscillator propagator, using the Feynman path integral and recursive relations. Our calculations have pedagogical benefits for those undergraduate students beginning to learn the path integral in quantum mechanics, in that they can follow its calculations very simply with only elementary mathematical manipulation. Further, our calculations do not require cumbersome matrix algebra.

 

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Additional Information

For an usual treatment, please  refer to the paper: ” Kiyoto Hira  Eur. J. Phys. 34 (2013) 1373-1378. A simple evaluation of a determinant in a path integral calculation of the harmonic oscillator propagator ”.

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