Metaplectic operator approach to a time-dependent generalized harmonic oscillator
- Authors
- Lee, Min-Ho
- Issue Date
- Jan-2022
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Metaplectic operator; LR invariant; Time-dependent generalized harmonic oscillator
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.80, no.2, pp.95 - 101
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 80
- Number
- 2
- Start Page
- 95
- End Page
- 101
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/20323
- DOI
- 10.1007/s40042-021-00331-8
- ISSN
- 0374-4884
- Abstract
- The metaplectic operator is a unitary operator corresponding to a time-dependent classical linear canonical transformation. We present the explicit expression for the metaplectic operator. The parameter in the metaplectic operator is expressed in terms of the solution of a classical time-dependent generalized harmonic oscillator. The time evolution operator, Lewis and Riesenfeld invariant, and the wave function of the time-dependent generalized harmonic oscillator are studied using the metaplectic operator, and the results are compared with those from other studies. The metaplectic operator method is a simpler method for studying the time-dependent generalized harmonic oscillator.
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