Constructive interference between disordered couplings enhances multiparty entanglement in quantum Heisenberg spin glass models
Disordered systems form one of the centrestages of research in many body sciences and lead to a plethora of interesting phenomena and applications. A paradigmatic disordered system consists of a one-dimensional array of quantum spin-1/2 particles, governed by the Heisenberg spin glass Hamiltonian wi...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2016-01-01
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| Series: | New Journal of Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1367-2630/18/8/083044 |
| _version_ | 1797750993517019136 |
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| author | Utkarsh Mishra Debraj Rakshit R Prabhu Aditi Sen(De) Ujjwal Sen |
| author_facet | Utkarsh Mishra Debraj Rakshit R Prabhu Aditi Sen(De) Ujjwal Sen |
| author_sort | Utkarsh Mishra |
| collection | DOAJ |
| description | Disordered systems form one of the centrestages of research in many body sciences and lead to a plethora of interesting phenomena and applications. A paradigmatic disordered system consists of a one-dimensional array of quantum spin-1/2 particles, governed by the Heisenberg spin glass Hamiltonian with natural or engineered quenched disordered couplings in an external magnetic field. These systems allow disorder-induced enhancement for bipartite and multipartite observables. Here we show that simultaneous application of independent quenched disorders results in disorder-induced enhancement, while the same is absent with individual application of the same disorders. We term the phenomenon as constructive interference and the corresponding parameter stretches as the Venus regions. Interestingly, it has only been observed for multiparty entanglement and is absent for the single- and two-party physical quantities. |
| first_indexed | 2024-03-12T16:41:53Z |
| format | Article |
| id | doaj.art-ddeb4cf4b3654a4b83fd258e6a5026b0 |
| institution | Directory Open Access Journal |
| issn | 1367-2630 |
| language | English |
| last_indexed | 2024-03-12T16:41:53Z |
| publishDate | 2016-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj.art-ddeb4cf4b3654a4b83fd258e6a5026b02023-08-08T14:30:03ZengIOP PublishingNew Journal of Physics1367-26302016-01-0118808304410.1088/1367-2630/18/8/083044Constructive interference between disordered couplings enhances multiparty entanglement in quantum Heisenberg spin glass modelsUtkarsh Mishra0Debraj Rakshit1R Prabhu2Aditi Sen(De)3Ujjwal Sen4Harish-Chandra Research Institute , Chhatnag Road, Jhunsi, Allahabad 211 019, IndiaHarish-Chandra Research Institute , Chhatnag Road, Jhunsi, Allahabad 211 019, IndiaHarish-Chandra Research Institute , Chhatnag Road, Jhunsi, Allahabad 211 019, IndiaHarish-Chandra Research Institute , Chhatnag Road, Jhunsi, Allahabad 211 019, IndiaHarish-Chandra Research Institute , Chhatnag Road, Jhunsi, Allahabad 211 019, IndiaDisordered systems form one of the centrestages of research in many body sciences and lead to a plethora of interesting phenomena and applications. A paradigmatic disordered system consists of a one-dimensional array of quantum spin-1/2 particles, governed by the Heisenberg spin glass Hamiltonian with natural or engineered quenched disordered couplings in an external magnetic field. These systems allow disorder-induced enhancement for bipartite and multipartite observables. Here we show that simultaneous application of independent quenched disorders results in disorder-induced enhancement, while the same is absent with individual application of the same disorders. We term the phenomenon as constructive interference and the corresponding parameter stretches as the Venus regions. Interestingly, it has only been observed for multiparty entanglement and is absent for the single- and two-party physical quantities.https://doi.org/10.1088/1367-2630/18/8/083044multiparty entanglementquantum spin modelsdisordered systemsconstructive interferencedisorder induced enhancementheisenberg spin model |
| spellingShingle | Utkarsh Mishra Debraj Rakshit R Prabhu Aditi Sen(De) Ujjwal Sen Constructive interference between disordered couplings enhances multiparty entanglement in quantum Heisenberg spin glass models New Journal of Physics multiparty entanglement quantum spin models disordered systems constructive interference disorder induced enhancement heisenberg spin model |
| title | Constructive interference between disordered couplings enhances multiparty entanglement in quantum Heisenberg spin glass models |
| title_full | Constructive interference between disordered couplings enhances multiparty entanglement in quantum Heisenberg spin glass models |
| title_fullStr | Constructive interference between disordered couplings enhances multiparty entanglement in quantum Heisenberg spin glass models |
| title_full_unstemmed | Constructive interference between disordered couplings enhances multiparty entanglement in quantum Heisenberg spin glass models |
| title_short | Constructive interference between disordered couplings enhances multiparty entanglement in quantum Heisenberg spin glass models |
| title_sort | constructive interference between disordered couplings enhances multiparty entanglement in quantum heisenberg spin glass models |
| topic | multiparty entanglement quantum spin models disordered systems constructive interference disorder induced enhancement heisenberg spin model |
| url | https://doi.org/10.1088/1367-2630/18/8/083044 |
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