Comment on "Propagator of two coupled general driven time-dependent oscillators" by C. F. Lo and Y. J.Wong

Details Comment on "Propagator of two coupled general driven time-dependent oscillators" by C. F. Lo and Y. J.Wong Comment on "Propagator of two coupled general driven time-dependent oscillators" by C. F. Lo and Y. J.Wong

2003-04-20

arxiv.org/abs/quant-ph/0304134v1

Europhys. Lett. 60 (2002) 649-650

Physics

Quantum Physics

2 pages, no figures

Scientific paper

10.1209/epl/i2002-00267-5

We comment on several incorrect results given in a recent paper by Lo and
Wong. In particular, it is pointed out that their evaluation of the propagator
for two coupled general driven time-dependent oscillators is not satisfactory.
The correct expression can be obtained by applying an appropriate
time-dependent canonical transformation.

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