dorsal/arxiv
View SchemaIonization of Sodium and Rubidium nS, nP and nD Rydberg atoms by blackbody radiation
| Authors | I. I. Beterov, D. B. Tretyakov, I. I. Ryabtsev, A. Ekers, N. N. Bezuglov |
|---|---|
| Categories | |
| ArXiv ID | physics/0702192 |
| URL | https://arxiv.org/abs/physics/0702192 |
| DOI | 10.1103/PhysRevA.75.052720 |
| Journal | Physical Review A 75, 052720 (2007) |
Abstract
Results of theoretical calculations of ionization rates of Rb and Na Rydberg atoms by blackbody radiation (BBR) are presented. Calculations have been performed for nS, nP and nD states of Na and Rb, which are commonly used in a variety of experiments, at principal quantum numbers n=8-65 and at three ambient temperatures of 77, 300 and 600 K. A peculiarity of our calculations is that we take into account the contributions of BBR-induced redistribution of population between Rydberg states prior to photoionization and field ionization by extraction electric field pulses. The obtained results show that these phenomena affect both the magnitude of measured ionization rates and shapes of their dependencies on n. The calculated ionization rates are compared with the results of our earlier measurements of BBR-induced ionization rates of Na nS and nD Rydberg states with n=8-20 at 300 K. A good agreement for all states except nS with n>15 is observed. We also present the useful analytical formulae for quick estimation of BBR ionization rates of Rydberg atoms.
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"abstract": "Results of theoretical calculations of ionization rates of Rb and Na Rydberg\natoms by blackbody radiation (BBR) are presented. Calculations have been\nperformed for nS, nP and nD states of Na and Rb, which are commonly used in a\nvariety of experiments, at principal quantum numbers n=8-65 and at three\nambient temperatures of 77, 300 and 600 K. A peculiarity of our calculations is\nthat we take into account the contributions of BBR-induced redistribution of\npopulation between Rydberg states prior to photoionization and field ionization\nby extraction electric field pulses. The obtained results show that these\nphenomena affect both the magnitude of measured ionization rates and shapes of\ntheir dependencies on n. The calculated ionization rates are compared with the\nresults of our earlier measurements of BBR-induced ionization rates of Na nS\nand nD Rydberg states with n=8-20 at 300 K. A good agreement for all states\nexcept nS with n\u003e15 is observed. We also present the useful analytical formulae\nfor quick estimation of BBR ionization rates of Rydberg atoms.",
"arxiv_id": "physics/0702192",
"authors": [
"I. I. Beterov",
"D. B. Tretyakov",
"I. I. Ryabtsev",
"A. Ekers",
"N. N. Bezuglov"
],
"categories": [
"physics.atom-ph",
"cond-mat.other",
"physics.plasm-ph",
"quant-ph"
],
"doi": "10.1103/PhysRevA.75.052720",
"journal_ref": "Physical Review A 75, 052720 (2007)",
"title": "Ionization of Sodium and Rubidium nS, nP and nD Rydberg atoms by blackbody radiation",
"url": "https://arxiv.org/abs/physics/0702192"
},
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