dorsal/arxiv
View SchemaTransient tunneling effects of resonance doublets in triple barrier systems
| Authors | Roberto Romo, Jorge Villavicencio, Gaston Garcia-Calderon |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0210009 |
| URL | https://arxiv.org/abs/quant-ph/0210009 |
| DOI | 10.1103/PhysRevB.66.033108 |
| Journal | Phys. Rev. B 66, 033108 (2002) |
Abstract
Transient tunneling effects in triple barrier systems are investigated by considering a time-dependent solution to the Schr\"{o}dinger equation with a cutoff wave initial condition. We derive a two-level formula for incidence energies $E$ near the first resonance doublet of the system. Based on that expression we find that the probability density along the internal region of the potential, is governed by three oscillation frequencies: one of them refers to the well known Bohr frequency, given in terms of the first and second resonance energies of the doublet, and the two others, represent a coupling with the incidence energy $E$. This allows to manipulate the above frequencies to control the tunneling transient behavior of the probability density in the short-time regime
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"abstract": "Transient tunneling effects in triple barrier systems are investigated by\nconsidering a time-dependent solution to the Schr\\\"{o}dinger equation with a\ncutoff wave initial condition. We derive a two-level formula for incidence\nenergies $E$ near the first resonance doublet of the system. Based on that\nexpression we find that the probability density along the internal region of\nthe potential, is governed by three oscillation frequencies: one of them refers\nto the well known Bohr frequency, given in terms of the first and second\nresonance energies of the doublet, and the two others, represent a coupling\nwith the incidence energy $E$. This allows to manipulate the above frequencies\nto control the tunneling transient behavior of the probability density in the\nshort-time regime",
"arxiv_id": "quant-ph/0210009",
"authors": [
"Roberto Romo",
"Jorge Villavicencio",
"Gaston Garcia-Calderon"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevB.66.033108",
"journal_ref": "Phys. Rev. B 66, 033108 (2002)",
"title": "Transient tunneling effects of resonance doublets in triple barrier systems",
"url": "https://arxiv.org/abs/quant-ph/0210009"
},
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