Molecular rotation in p-H2 and o-D2 in phase I under pressure

Автор(и)

  • Yu.A. Freiman B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine 47 Lenin Ave., Kharkov 61103, Ukraine
  • S.M. Tretyak B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine 47 Lenin Ave., Kharkov 61103, Ukraine
  • Alexander F. Goncharov Geophysical Laboratory, Carnegie Institution of Washington 5251 Broad Branch Road NW, Washington, DC 20015, USA
  • Ho-kwang Mao Geophysical Laboratory, Carnegie Institution of Washington 5251 Broad Branch Road NW, Washington, DC 20015, USA
  • Russell J. Hemley Geophysical Laboratory, Carnegie Institution of Washington 5251 Broad Branch Road NW, Washington, DC 20015, USA

DOI:

https://doi.org/10.1063/1.3674189

Ключові слова:

solid hydrogen, lattice distortion, axial ratio, molecular rotation, orientational order parameter.

Анотація

The orientational order parameter, rotational ground-state energy, and lattice distortion parameter (the deviation of the c/ a ratio from the ideal hcp value 1.633) in hcp lattice of phase I of p-H2 and o-D2 are calculated using a semi-empirical approach. It is shown that the lattice distortion in these J-even species is small compared with that found in n-H2, and n-D2. The difference presumably is caused by the J-odd species.

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Опубліковано

2011-10-28

Як цитувати

(1)
Freiman, Y.; Tretyak, S.; Goncharov, A. F.; Mao, H.- kwang; Hemley, R. J. Molecular Rotation in p-H2 and o-D2 in Phase I under Pressure. Fiz. Nizk. Temp. 2011, 37, 1302-1306.

Номер

Том 37 № 12 (2011)

Розділ

Фізичні властивості кpіокpисталів