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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2022
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2208.06937 |
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| _version_ | 1866908312133435392 |
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| author | Wei, C. Curnoe, S. H. |
| author_facet | Wei, C. Curnoe, S. H. |
| contents | We find exact solutions to the Hamiltonian of a 16-site spin-1/2 pyrochlore crystal with nearest neighbour exchange interactions. The methods of group theory (symmetry) are used to completely block-diagonalize the Hamiltonian, yielding precise details about symmetry of the eigenstates, in particular those components which are {\em spin ice} states, in order to evaluate the spin ice density at finite temperature. At low enough temperatures, a `perturbed' spin ice phase is clearly outlined within the four parameter space of the general model of exchange interactions. The quantum spin ice phase is expected to exist outside these boundaries. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2208_06937 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Exact diagonalization for spin-1/2 spin ice pyrochlores Wei, C. Curnoe, S. H. Strongly Correlated Electrons We find exact solutions to the Hamiltonian of a 16-site spin-1/2 pyrochlore crystal with nearest neighbour exchange interactions. The methods of group theory (symmetry) are used to completely block-diagonalize the Hamiltonian, yielding precise details about symmetry of the eigenstates, in particular those components which are {\em spin ice} states, in order to evaluate the spin ice density at finite temperature. At low enough temperatures, a `perturbed' spin ice phase is clearly outlined within the four parameter space of the general model of exchange interactions. The quantum spin ice phase is expected to exist outside these boundaries. |
| title | Exact diagonalization for spin-1/2 spin ice pyrochlores |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2208.06937 |