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| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Sociedad Mexicana de Física A.C.
2007
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| Accesso online: | https://www.redalyc.org/articulo.oa?id=57016046006 |
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Sommario:
- Time dependent quantum harmonic oscillator subject to a sudden change of mass: continuous solution H. Moya-Cessa M. Fernández Guasti Física, Astronomía y Matemáticas exact invariants quantum mechanics Solutions in closed form We show that a harmonic oscillator subject to a sudden change of mass produces squeezed states. Our study is based on an approximate analytic solution to the time-dependent harmonic oscillator equation with a subperiod function parameter. This continuous treatment differs from former studies that involve the matching of two time-independent solutions at the discontinuity. This formalism requires an ad hoc transformation of the original differential equation and is also applicable for rapid, although not necessarily instantaneous, mass variations. 2007 artículo científico 0035-001X https://www.redalyc.org/articulo.oa?id=57016046006 en http://www.redalyc.org/revista.oa?id=570 Revista Mexicana de Física application/pdf Sociedad Mexicana de Física A.C. Revista Mexicana de Física (México) Num.1 Vol.53