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E-Journal of Chemistry
Volume 5, Issue 3, Pages 663-665

The Harmonic Oscillator–A Simplified Approach

L. R. Ganesan1 and M. Balaji2

1Chemistry, Madura College, Madurai, India
2Department of Chemistry, Ramakrishna Mission Vivekananda College, Chennai, India

Received 4 November 2007; Accepted 2 January 2008

Copyright © 2008 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Among the early problems in quantum chemistry, the one dimensional harmonic oscillator problem is an important one, providing a valuable exercise in the study of quantum mechanical methods. There are several approaches to this problem, the time honoured infinite series method, the ladder operator method etc. A method which is much shorter, mathematically simpler is presented here.