dorsal/arxiv
View SchemaEntanglement dynamics of qubits in a common environment
| Authors | Jun-Hong An, Shun-Jin Wang, Hong-Gang Luo |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0604020 |
| URL | https://arxiv.org/abs/quant-ph/0604020 |
| DOI | 10.1016/j.physa.2007.04.008 |
| Journal | Physica A 382 (2007) 753-764 |
Abstract
We use the quantum jump approach to study the entanglement dynamics of a quantum register, which is composed of two or three dipole-dipole coupled two-level atoms, interacting with a common environment. Our investigation of entanglement dynamics reflects that the environment has dual actions on the entanglement of the qubits in the model. While the environment destroys the entanglement induced by the coherent dipole-dipole interactions, it can produce stable entanglement between the qubits prepared initially in a separable state. The analysis shows that it is the entangled decoherence-free states contained as components in the initial state that contribute to the stable entanglement. Our study indicates how the environmental noise produces the entanglement and exposes the interplay of environmental noise and coherent interactions of qubits on the entanglement.
{
"annotation_id": "8252f327-8158-4a16-a5c7-2692fb333dae",
"date_created": "2026-03-02T18:02:27.238000Z",
"date_modified": "2026-03-02T18:02:27.238000Z",
"file_hash": "bd5f9eb54f2803fa4ca148b3a2ab38b657bbc3aa5deca32e707ba43414f17594",
"private": false,
"record": {
"abstract": "We use the quantum jump approach to study the entanglement dynamics of a\nquantum register, which is composed of two or three dipole-dipole coupled\ntwo-level atoms, interacting with a common environment. Our investigation of\nentanglement dynamics reflects that the environment has dual actions on the\nentanglement of the qubits in the model. While the environment destroys the\nentanglement induced by the coherent dipole-dipole interactions, it can produce\nstable entanglement between the qubits prepared initially in a separable state.\nThe analysis shows that it is the entangled decoherence-free states contained\nas components in the initial state that contribute to the stable entanglement.\nOur study indicates how the environmental noise produces the entanglement and\nexposes the interplay of environmental noise and coherent interactions of\nqubits on the entanglement.",
"arxiv_id": "quant-ph/0604020",
"authors": [
"Jun-Hong An",
"Shun-Jin Wang",
"Hong-Gang Luo"
],
"categories": [
"quant-ph"
],
"doi": "10.1016/j.physa.2007.04.008",
"journal_ref": "Physica A 382 (2007) 753-764",
"title": "Entanglement dynamics of qubits in a common environment",
"url": "https://arxiv.org/abs/quant-ph/0604020"
},
"schema_id": "dorsal/arxiv",
"source": {
"execution_id": "eb38861f-b2f6-46e1-bc34-d4bb4b274976",
"id": "arXiv Dataset IDs",
"type": "Model",
"variant": "snapshot-2026-03-01",
"version": "0.1.0"
},
"user_id": 1000002
}