Macedo and Guedes [J. Math. Phys. 53, 052101 (2012)] showed recently how to solve a system of coupled harmonic oscillators with time dependent parameters. We show here that the way in which they got rid of the time dependent masses is incorrect and some terms are missing in their transformed Hamiltonian. We also show a correct way of eliminating the time dependent masses from the Hamiltonian.

中文翻译：

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评“瞬态耦合谐振子”[J. 数学。物理。53, 052101 (2012)]

马塞多和盖德斯 [J. 数学。物理。53, 052101 (2012)] 最近展示了如何求解具有时间相关参数的耦合谐振子系统。我们在这里表明，他们摆脱时间相关质量的方式是不正确的，并且他们转换后的哈密顿量中缺少一些术语。我们还展示了从哈密顿量中消除时间相关质量的正确方法。