Monte Carlo simulations of a kagome lattice with magnetic dipolar interactions
The results of extensive Monte Carlo simulations of classical spins on the two-dimensional kagome lattice with only dipolar interactions are presented. In addition to revealing the sixfold-degenerate ground state, the nature of the finite-temperature phase transition to long-range magnetic order is...
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| Veröffentlicht in: | Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2015-06, Vol.91 (22), Article 224425 |
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| container_issue | 22 |
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| container_title | Physical review. B, Condensed matter and materials physics |
| container_volume | 91 |
| creator | Holden, M. S. Plumer, M. L. Saika-Voivod, I. Southern, B. W. |
| description | The results of extensive Monte Carlo simulations of classical spins on the two-dimensional kagome lattice with only dipolar interactions are presented. In addition to revealing the sixfold-degenerate ground state, the nature of the finite-temperature phase transition to long-range magnetic order is discussed. Low-temperature states consisting of mixtures of degenerate ground-state configurations separated by domain walls can be explained as a result of competing exchange-like and shape-anisotropy-like terms in the dipolar coupling. Fluctuations between pairs of degenerate spin configurations are found to persist well into the ordered state as the temperature is lowered until locking in to a low-energy state. |
| doi_str_mv | 10.1103/PhysRevB.91.224425 |
| format | Article |
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| ispartof | Physical review. B, Condensed matter and materials physics, 2015-06, Vol.91 (22), Article 224425 |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Computer simulation Condensed matter Exchange Fluctuation Joining Kagome lattice Monte Carlo methods Two dimensional |
| title | Monte Carlo simulations of a kagome lattice with magnetic dipolar interactions |
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