Scaling of Low-Temperature Heat Capacity in Cryocrystals
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866909910996877312 |
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| author | Barabashko, M. Jeżowski, A. Krivchikov, A. |
| author_facet | Barabashko, M. Jeżowski, A. Krivchikov, A. |
| contents | The low-temperature isochoric heat capacity of cryocrystals was scaled using the universal scaling function. This universality links the magnitude of the anomaly and the characteristic temperature of the hump $T_{\mathrm{max}}$ in heat capacity, which is related to the first van Hove singularity in the phonon spectrum. For atomic, molecular, and quantum cryocrystals, $T_{\mathrm{max}}$ systematically shifts with molar volume, reflecting Brillouin zone scaling and revealing a common vibrational origin. These findings for the scaling function bridge thermodynamics with the vibrational density of states, highlighting fundamental universality in lattice dynamics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_14409 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Scaling of Low-Temperature Heat Capacity in Cryocrystals Barabashko, M. Jeżowski, A. Krivchikov, A. Mesoscale and Nanoscale Physics Quantum Gases The low-temperature isochoric heat capacity of cryocrystals was scaled using the universal scaling function. This universality links the magnitude of the anomaly and the characteristic temperature of the hump $T_{\mathrm{max}}$ in heat capacity, which is related to the first van Hove singularity in the phonon spectrum. For atomic, molecular, and quantum cryocrystals, $T_{\mathrm{max}}$ systematically shifts with molar volume, reflecting Brillouin zone scaling and revealing a common vibrational origin. These findings for the scaling function bridge thermodynamics with the vibrational density of states, highlighting fundamental universality in lattice dynamics. |
| title | Scaling of Low-Temperature Heat Capacity in Cryocrystals |
| topic | Mesoscale and Nanoscale Physics Quantum Gases |
| url | https://arxiv.org/abs/2511.14409 |