dorsal/arxiv
View SchemaContractive Schroedinger cat states for a free mass
| Authors | Lorenza Viola, Roberto Onofrio |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0303031 |
| URL | https://arxiv.org/abs/quant-ph/0303031 |
| DOI | 10.1088/1367-2630/5/1/305 |
| Journal | New Journal of Physics 5 (2003) 5.1-5.21 |
Abstract
Contractive states for a free quantum particle were introduced by Yuen [Yuen H P 1983 Phys. Rev. Lett. 51, 719] in an attempt to evade the standard quantum limit for repeated position measurements. We show how appropriate families of two- and three component ``Schroedinger cat states'' are able to support non-trivial correlations between the position and momentum observables leading to contractive behavior. The existence of contractive Schroedinger cat states is suggestive of potential novel roles of non-classical states for precision measurement schemes.
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"abstract": "Contractive states for a free quantum particle were introduced by Yuen [Yuen\nH P 1983 Phys. Rev. Lett. 51, 719] in an attempt to evade the standard quantum\nlimit for repeated position measurements. We show how appropriate families of\ntwo- and three component ``Schroedinger cat states\u0027\u0027 are able to support\nnon-trivial correlations between the position and momentum observables leading\nto contractive behavior. The existence of contractive Schroedinger cat states\nis suggestive of potential novel roles of non-classical states for precision\nmeasurement schemes.",
"arxiv_id": "quant-ph/0303031",
"authors": [
"Lorenza Viola",
"Roberto Onofrio"
],
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"quant-ph"
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"doi": "10.1088/1367-2630/5/1/305",
"journal_ref": "New Journal of Physics 5 (2003) 5.1-5.21",
"title": "Contractive Schroedinger cat states for a free mass",
"url": "https://arxiv.org/abs/quant-ph/0303031"
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