Thermodynamics of the hyperkagome-lattice $S=1/2$ Heisenberg ferromagnet
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| Format: | Preprint |
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2025
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| _version_ | 1866918129475518464 |
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| author | Parymuda, Maksym Krokhmalskii, Taras Derzhko, Oleg |
| author_facet | Parymuda, Maksym Krokhmalskii, Taras Derzhko, Oleg |
| contents | The hyperkagome-lattice $S=1/2$ Heisenberg ferromagnet is studied by means of the linear spin-wave theory, the double-time temperature Green's function method, high-temperature expansions series analysis, and quantum Monte Carlo simulations to examine the effect of lattice geometry on the finite-temperature properties. In particular, we have found that the Curie temperature $T_c$ for the hyperkagome-lattice (frustrated lattice) ferromagnet is about $0.33\vert J\vert$ that is smaller than $T_c$ for the diamond-lattice (another three-dimensional lattice with the same coordination number 4 but bipartite one) ferromagnet by about $25\%$. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2507_20662 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Thermodynamics of the hyperkagome-lattice $S=1/2$ Heisenberg ferromagnet Parymuda, Maksym Krokhmalskii, Taras Derzhko, Oleg Strongly Correlated Electrons Statistical Mechanics The hyperkagome-lattice $S=1/2$ Heisenberg ferromagnet is studied by means of the linear spin-wave theory, the double-time temperature Green's function method, high-temperature expansions series analysis, and quantum Monte Carlo simulations to examine the effect of lattice geometry on the finite-temperature properties. In particular, we have found that the Curie temperature $T_c$ for the hyperkagome-lattice (frustrated lattice) ferromagnet is about $0.33\vert J\vert$ that is smaller than $T_c$ for the diamond-lattice (another three-dimensional lattice with the same coordination number 4 but bipartite one) ferromagnet by about $25\%$. |
| title | Thermodynamics of the hyperkagome-lattice $S=1/2$ Heisenberg ferromagnet |
| topic | Strongly Correlated Electrons Statistical Mechanics |
| url | https://arxiv.org/abs/2507.20662 |