dorsal/arxiv
View SchemaMajorana spin-flip transitions in a magnetic trap
| Authors | D. M. Brink, C. V. Sukumar |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0610135 |
| URL | https://arxiv.org/abs/quant-ph/0610135 |
| DOI | 10.1103/PhysRevA.74.035401 |
Abstract
Atoms confined in a magnetic trap can escape by making spin-flip Majorana transitions due to a breakdown of the adiabatic approximation. Several papers have studied this process for atoms with spin $F = 1/2$ or $F= 1$. The present paper calculates the escape rate for atoms with spin $F > 1$. This problem has new features because the perturbation $\Delta T$ which allows atoms to escape satisfies a selection rule $\Delta F_z = 0, \pm 1, \pm 2$ and multi-step processes contribute in leading order. When the adiabatic approximation is satisfied the leading order terms can be summed to yield a simple expression for the escape rate.
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"abstract": "Atoms confined in a magnetic trap can escape by making spin-flip Majorana\ntransitions due to a breakdown of the adiabatic approximation. Several papers\nhave studied this process for atoms with spin $F = 1/2$ or $F= 1$. The present\npaper calculates the escape rate for atoms with spin $F \u003e 1$. This problem has\nnew features because the perturbation $\\Delta T$ which allows atoms to escape\nsatisfies a selection rule $\\Delta F_z = 0, \\pm 1, \\pm 2$ and multi-step\nprocesses contribute in leading order. When the adiabatic approximation is\nsatisfied the leading order terms can be summed to yield a simple expression\nfor the escape rate.",
"arxiv_id": "quant-ph/0610135",
"authors": [
"D. M. Brink",
"C. V. Sukumar"
],
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"quant-ph"
],
"doi": "10.1103/PhysRevA.74.035401",
"title": "Majorana spin-flip transitions in a magnetic trap",
"url": "https://arxiv.org/abs/quant-ph/0610135"
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