頁籤選單縮合
題 名 | Schwinger Method and Path Integral with Generalized Canonical Transformation for a Harmonic Oscillator with Time-Dependent Mass and Frequency |
---|---|
作 者 | Pepore, Surarit; Sukbot, Bodinchat; | 書刊名 | Chinese Journal of Physics |
卷 期 | 47:6 2009.12[民98.12] |
頁 次 | 頁753-763 |
分類號 | 334.3 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | The exact propagator for a harmonic oscillator with time-dependent mass and frequency is found by the Schwinger method and a path integral with a generalized canonical transformation. In the Schwinger formalism, the propagator can be obtained by basic operator algebra and elementary integrations. In the path integral method, it can be shown that such a propagator can be derived from that for a unit mass and frequency oscillator in a new space-time coordinate system with the help of a generalized canonical transformation. The power of propagator methods for solving time-dependent Hamiltonian systems is also discussed. |
本系統中英文摘要資訊取自各篇刊載內容。