dorsal/arxiv
View SchemaGeometry of an adiabatic passage at a level crossing
| Authors | Mateusz Cholascinski |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0502128 |
| URL | https://arxiv.org/abs/quant-ph/0502128 |
| DOI | 10.1103/PhysRevA.71.063409 |
| Journal | Phys. Rev. A 71, 063409 (2005) |
Abstract
We discuss adiabatic quantum phenomena at a level crossing. Given a path in the parameter space which passes through a degeneracy point, we find a criterion which determines whether the adiabaticity condition can be satisfied. For paths that can be traversed adiabatically we also derive a differential equation which specifies the time dependence of the system parameters, for which transitions between distinct energy levels can be neglected. We also generalize the well-known geometric connections to the case of adiabatic paths containing arbitrarily many level-crossing points and degenerate levels.
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"abstract": "We discuss adiabatic quantum phenomena at a level crossing. Given a path in\nthe parameter space which passes through a degeneracy point, we find a\ncriterion which determines whether the adiabaticity condition can be satisfied.\nFor paths that can be traversed adiabatically we also derive a differential\nequation which specifies the time dependence of the system parameters, for\nwhich transitions between distinct energy levels can be neglected. We also\ngeneralize the well-known geometric connections to the case of adiabatic paths\ncontaining arbitrarily many level-crossing points and degenerate levels.",
"arxiv_id": "quant-ph/0502128",
"authors": [
"Mateusz Cholascinski"
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"doi": "10.1103/PhysRevA.71.063409",
"journal_ref": "Phys. Rev. A 71, 063409 (2005)",
"title": "Geometry of an adiabatic passage at a level crossing",
"url": "https://arxiv.org/abs/quant-ph/0502128"
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