dorsal/arxiv
View SchemaInvariant Operators vs Heisenberg Operators for Time-Dependent Generalized Oscillators
| Authors | Sang Pyo Kim |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0303148 |
| URL | https://arxiv.org/abs/quant-ph/0303148 |
| Journal | J. Korean Phys. Soc. 43 (2003) 11-16 |
Abstract
We investigate the relation between the invariant operators satisfying the quantum Liouville-von Neumann and the Heisenberg operators satisfying the Heisenberg equation. For time-dependent generalized oscillators we find the invariant operators, known as the Ermakov-Lewis invariants, in terms of a complex classical solution, from which the evolution operator is derived, and obtain the Heisenberg position and momentum operators. Physical quantities such as correlation functions are calculated using both the invariant operators and Heisenberg operators.
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"abstract": "We investigate the relation between the invariant operators satisfying the\nquantum Liouville-von Neumann and the Heisenberg operators satisfying the\nHeisenberg equation. For time-dependent generalized oscillators we find the\ninvariant operators, known as the Ermakov-Lewis invariants, in terms of a\ncomplex classical solution, from which the evolution operator is derived, and\nobtain the Heisenberg position and momentum operators. Physical quantities such\nas correlation functions are calculated using both the invariant operators and\nHeisenberg operators.",
"arxiv_id": "quant-ph/0303148",
"authors": [
"Sang Pyo Kim"
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"journal_ref": "J. Korean Phys. Soc. 43 (2003) 11-16",
"title": "Invariant Operators vs Heisenberg Operators for Time-Dependent Generalized Oscillators",
"url": "https://arxiv.org/abs/quant-ph/0303148"
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