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arXiv quant-ph/0312152quant-ph
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含时位移态和压缩数态

Time-dependent Displaced and Squeezed Number States

Sang Pyo Kim

摘要:

我们将Nieto发现的位移和压缩数态的波函数推广到具有可变质量和频率的含时谐振子。这些与时间相关的位移态和压缩态是通过先压缩再位移精确态得到的,它们是薛定谔方程的精确解。此外,这些波函数是以经典轨迹为中心的含时压缩谐振子波函数。

英文摘要:

We generalize the wave functions of the displaced and squeezed number states, found by Nieto, to a time-dependent harmonic oscillator with variable mass and frequency. These time-dependent displaced and squeezed number states are obtained by first squeezing and then displacing the exact number states and are exact solutions of the Schrödinger equation. Further, these wave functions are the time-dependent squeezed harmonic-oscillator wave functions centered at classical trajectories.

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