dorsal/arxiv
View SchemaQubit entanglement in multimagnon states
| Authors | J. S. Pratt |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0505124 |
| URL | https://arxiv.org/abs/quant-ph/0505124 |
| DOI | 10.1103/PhysRevB.73.184413 |
Abstract
The qubit entanglement induced by quasiparticle excitations in the Heisenberg spin chain and its relationship to the Bethe Ansatz structure of the eigenmodes is studied. A phenomenon called entanglement quenching, which suppresses eigenstate entanglement, is described and shown to be mediated by Goldstone magnons. Scattering states are characterized by short-range entanglement, and never exhibit entanglement at the longest range. In contrast, bound states have complex long-range entanglement structures.
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"abstract": "The qubit entanglement induced by quasiparticle excitations in the Heisenberg\nspin chain and its relationship to the Bethe Ansatz structure of the eigenmodes\nis studied. A phenomenon called entanglement quenching, which suppresses\neigenstate entanglement, is described and shown to be mediated by Goldstone\nmagnons. Scattering states are characterized by short-range entanglement, and\nnever exhibit entanglement at the longest range. In contrast, bound states have\ncomplex long-range entanglement structures.",
"arxiv_id": "quant-ph/0505124",
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"J. S. Pratt"
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"doi": "10.1103/PhysRevB.73.184413",
"title": "Qubit entanglement in multimagnon states",
"url": "https://arxiv.org/abs/quant-ph/0505124"
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