dorsal/arxiv
View SchemaCollective Decoherence of Nuclear Spin Clusters
| Authors | A. Fedorov, L. Fedichkin |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0502178 |
| URL | https://arxiv.org/abs/quant-ph/0502178 |
| DOI | 10.1088/0953-8984/18/12/005 |
| Journal | J. Phys.: Condens. Matter 18, 3217-3228 (2006) |
Abstract
The problem of dipole-dipole decoherence of nuclear spins is considered for strongly entangled spin cluster. Our results show that its dynamics can be described as the decoherence due to interaction with a composite bath consisting of fully correlated and uncorrelated parts. The correlated term causes the slower decay of coherence at larger times. The decoherence rate scales up as a square root of the number of spins giving the linear scaling of the resulting error. Our theory is consistent with recent experiment reported in decoherence of correlated spin clusters.
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"abstract": "The problem of dipole-dipole decoherence of nuclear spins is considered for\nstrongly entangled spin cluster. Our results show that its dynamics can be\ndescribed as the decoherence due to interaction with a composite bath\nconsisting of fully correlated and uncorrelated parts. The correlated term\ncauses the slower decay of coherence at larger times. The decoherence rate\nscales up as a square root of the number of spins giving the linear scaling of\nthe resulting error. Our theory is consistent with recent experiment reported\nin decoherence of correlated spin clusters.",
"arxiv_id": "quant-ph/0502178",
"authors": [
"A. Fedorov",
"L. Fedichkin"
],
"categories": [
"quant-ph",
"cond-mat.dis-nn"
],
"doi": "10.1088/0953-8984/18/12/005",
"journal_ref": "J. Phys.: Condens. Matter 18, 3217-3228 (2006)",
"title": "Collective Decoherence of Nuclear Spin Clusters",
"url": "https://arxiv.org/abs/quant-ph/0502178"
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