dorsal/arxiv
View SchemaEfficient and robust entanglement generation in a many-particle system with resonant dipole-dipole interactions
| Authors | R. G. Unanyan, M. Fleischhauer |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0111095 |
| URL | https://arxiv.org/abs/quant-ph/0111095 |
| DOI | 10.1103/PhysRevA.66.032109 |
Abstract
We propose and discuss a scheme for robust and efficient generation of many-particle entanglement in an ensemble of Rydberg atoms with resonant dipole-dipole interactions. It is shown that in the limit of complete dipole blocking, the system is isomorphic to a multimode Jaynes-Cummings model. While dark-state population transfer is not capable of creating entanglement, other adiabatic processes are identified that lead to complex, maximally entangled states, such as the N-particle analog of the GHZ state in a few steps. The process is robust, works for even and odd particle numbers and the characteristic time for entanglement generation scales with N^a, with a being less than unity.
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"abstract": "We propose and discuss a scheme for robust and efficient generation of\nmany-particle entanglement in an ensemble of Rydberg atoms with resonant\ndipole-dipole interactions. It is shown that in the limit of complete dipole\nblocking, the system is isomorphic to a multimode Jaynes-Cummings model. While\ndark-state population transfer is not capable of creating entanglement, other\nadiabatic processes are identified that lead to complex, maximally entangled\nstates, such as the N-particle analog of the GHZ state in a few steps. The\nprocess is robust, works for even and odd particle numbers and the\ncharacteristic time for entanglement generation scales with N^a, with a being\nless than unity.",
"arxiv_id": "quant-ph/0111095",
"authors": [
"R. G. Unanyan",
"M. Fleischhauer"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.66.032109",
"title": "Efficient and robust entanglement generation in a many-particle system with resonant dipole-dipole interactions",
"url": "https://arxiv.org/abs/quant-ph/0111095"
},
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