Many-body interactions and high-pressure equations of state in rare-gas solids
The T 0K equations of state (EOS) of rare-gas solids (RGS) (He, Ne, Ar, Kr, and Xe) are calculated in
 the experimentally studied ranges of pressures accounting for two- and three-body interatomic forces.
 Solid-state corrections to the pure two-body Aziz et al. potentials included...
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| Опубліковано в: : | Физика низких температур |
|---|---|
| Дата: | 2007 |
| Автори: | , |
| Формат: | Стаття |
| Мова: | Англійська |
| Опубліковано: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2007
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| Теми: | |
| Онлайн доступ: | https://nasplib.isofts.kiev.ua/handle/123456789/121773 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Many-body interactions and high-pressure
 equations of state in rare-gas solids / Yu.A. Freiman, S.M. Tretyak // Физика низких температур. — 2007. — Т. 33, № 6-7. — С. 719-727. — Бібліогр.: 48 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862657191564017664 |
|---|---|
| author | Freiman, Yu.A. Tretyak, S.M. |
| author_facet | Freiman, Yu.A. Tretyak, S.M. |
| citation_txt | Many-body interactions and high-pressure
 equations of state in rare-gas solids / Yu.A. Freiman, S.M. Tretyak // Физика низких температур. — 2007. — Т. 33, № 6-7. — С. 719-727. — Бібліогр.: 48 назв. — англ. |
| collection | DSpace DC |
| container_title | Физика низких температур |
| description | The T 0K equations of state (EOS) of rare-gas solids (RGS) (He, Ne, Ar, Kr, and Xe) are calculated in
the experimentally studied ranges of pressures accounting for two- and three-body interatomic forces.
Solid-state corrections to the pure two-body Aziz et al. potentials included the long-range Axilrod–Teller
three-body interaction and short-range three-body exchange interaction. The energy-scale and length-scale
parameters of the latter were taken as adjustable parameters of theory. The calculated T 0K EOS for all
RGS are in excellent agreement with experiment in the whole range of pressures. The calculated EOS for Ar,
Kr, and Xe exhibit inflection points where the isothermal bulk moduli have non-physical maxima indicating
that account of only three-body forces becomes insufficient. These points lie at pressures 250, 200, and 175
GPa (volume compressions of approximately 4.8, 4.1, and 3.6) for Ar, Kr, and Xe, respectively. No such
points were found in the calculated EOS of He and Ne. The relative magnitude of the three-body contribution
to the ground-state energy with respect to the two-body one as a function of the volume compression
was found to be non-monotonic in the sequence Ne–Ar–Kr–Xe. In a large range of compressions, Kr has the
highest value of this ratio. This anomally high three-body exchange forces contributes to the EOS so large
negative pressure that the EOS for Kr and Ar as a function of compression nearly coincide. At compressions
higher approximately 3.5, the curves intersect and further on the EOS of Kr lies lower than that of Ar.
|
| first_indexed | 2025-12-02T05:37:40Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-121773 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 0132-6414 |
| language | English |
| last_indexed | 2025-12-02T05:37:40Z |
| publishDate | 2007 |
| publisher | Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| record_format | dspace |
| spelling | Freiman, Yu.A. Tretyak, S.M. 2017-06-16T07:15:29Z 2017-06-16T07:15:29Z 2007 Many-body interactions and high-pressure
 equations of state in rare-gas solids / Yu.A. Freiman, S.M. Tretyak // Физика низких температур. — 2007. — Т. 33, № 6-7. — С. 719-727. — Бібліогр.: 48 назв. — англ. 0132-6414 PACS: 64.60.Cn; 67.80.–s; 67.90.+z https://nasplib.isofts.kiev.ua/handle/123456789/121773 The T 0K equations of state (EOS) of rare-gas solids (RGS) (He, Ne, Ar, Kr, and Xe) are calculated in
 the experimentally studied ranges of pressures accounting for two- and three-body interatomic forces.
 Solid-state corrections to the pure two-body Aziz et al. potentials included the long-range Axilrod–Teller
 three-body interaction and short-range three-body exchange interaction. The energy-scale and length-scale
 parameters of the latter were taken as adjustable parameters of theory. The calculated T 0K EOS for all
 RGS are in excellent agreement with experiment in the whole range of pressures. The calculated EOS for Ar,
 Kr, and Xe exhibit inflection points where the isothermal bulk moduli have non-physical maxima indicating
 that account of only three-body forces becomes insufficient. These points lie at pressures 250, 200, and 175
 GPa (volume compressions of approximately 4.8, 4.1, and 3.6) for Ar, Kr, and Xe, respectively. No such
 points were found in the calculated EOS of He and Ne. The relative magnitude of the three-body contribution
 to the ground-state energy with respect to the two-body one as a function of the volume compression
 was found to be non-monotonic in the sequence Ne–Ar–Kr–Xe. In a large range of compressions, Kr has the
 highest value of this ratio. This anomally high three-body exchange forces contributes to the EOS so large
 negative pressure that the EOS for Kr and Ar as a function of compression nearly coincide. At compressions
 higher approximately 3.5, the curves intersect and further on the EOS of Kr lies lower than that of Ar. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Classical Cryocrystals Many-body interactions and high-pressure equations of state in rare-gas solids Article published earlier |
| spellingShingle | Many-body interactions and high-pressure equations of state in rare-gas solids Freiman, Yu.A. Tretyak, S.M. Classical Cryocrystals |
| title | Many-body interactions and high-pressure equations of state in rare-gas solids |
| title_full | Many-body interactions and high-pressure equations of state in rare-gas solids |
| title_fullStr | Many-body interactions and high-pressure equations of state in rare-gas solids |
| title_full_unstemmed | Many-body interactions and high-pressure equations of state in rare-gas solids |
| title_short | Many-body interactions and high-pressure equations of state in rare-gas solids |
| title_sort | many-body interactions and high-pressure equations of state in rare-gas solids |
| topic | Classical Cryocrystals |
| topic_facet | Classical Cryocrystals |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/121773 |
| work_keys_str_mv | AT freimanyua manybodyinteractionsandhighpressureequationsofstateinraregassolids AT tretyaksm manybodyinteractionsandhighpressureequationsofstateinraregassolids |