Journal of Applied Science and Engineering

Published by Tamkang University Press

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M. Hayashi1 , R. Chang2 , K. K. Liang2 , C. H. Chang2 , Y. J. Shiu3 , J. M. Chang2 , F. C. Hsu3 , A. Mebel2 and S. H. Lin2,3,4

1Center for Condensed Matter Sciences, National Taiwan University, Taipei, Taiwan, 106 R.O.C.
2Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan, 106 R.O.C.
3Department of Chemistry, National Taiwan University, Taipei, Taiwan, 106 R.O.C.
4Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287-1604, USA


 

Received: March 1, 2000
Accepted: September 1, 2000
Publication Date: September 1, 2000

Download Citation: ||https://doi.org/10.6180/jase.2000.3.3.04  


ABSTRACT


Basic theoretical treatments of quantum beats are presented using the effective Hamiltonian method and the density matrix method. To describe the states involved in quantum beats, the molecular-eigen state basis set and the zeroth order basis set are introduced. Based on these basis sets for the two-state model, the condition under which molecular coherence can be created is discussed.


Keywords: quantum beats, molecular coherence, Hamiltonian method, density matrix method


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