dorsal/arxiv
View SchemaFull time nonexponential decay in double-barrier quantum structures
| Authors | Gaston Garcia-Calderon, Jorge Villavicencio |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0605109 |
| URL | https://arxiv.org/abs/quant-ph/0605109 |
| DOI | 10.1103/PhysRevA.73.062115 |
| Journal | Phys. Rev. A 73, 062115 (2006) |
Abstract
We examine an analytical expression for the survival probability for the time evolution of quantum decay to discuss a regime where quantum decay is nonexponential at all times. We find that the interference between the exponential and nonexponential terms of the survival amplitude modifies the usual exponential decay regime in systems where the ratio of the resonance energy to the decay width, is less than 0.3. We suggest that such regime could be observed in semiconductor double-barrier resonant quantum structures with appropriate parameters.
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"abstract": "We examine an analytical expression for the survival probability for the time\nevolution of quantum decay to discuss a regime where quantum decay is\nnonexponential at all times. We find that the interference between the\nexponential and nonexponential terms of the survival amplitude modifies the\nusual exponential decay regime in systems where the ratio of the resonance\nenergy to the decay width, is less than 0.3. We suggest that such regime could\nbe observed in semiconductor double-barrier resonant quantum structures with\nappropriate parameters.",
"arxiv_id": "quant-ph/0605109",
"authors": [
"Gaston Garcia-Calderon",
"Jorge Villavicencio"
],
"categories": [
"quant-ph",
"cond-mat.other"
],
"doi": "10.1103/PhysRevA.73.062115",
"journal_ref": "Phys. Rev. A 73, 062115 (2006)",
"title": "Full time nonexponential decay in double-barrier quantum structures",
"url": "https://arxiv.org/abs/quant-ph/0605109"
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