Pca21 ordering in a self-consistent model for solid orthohydrogen

W. M. Fairbairn, M. R. Steel

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

A self-consistent method, described by Bell and Fairbairn in 1967, is used to investigate Pca21 ordering in solid orthohydrogen. It is shown that when the orientations of the orthohydrogen molecules are ordered in accordance with the Pca21 structure a state of very low energy is produced. The zero-order statistical approximation is applied to the transition between this ordered state and the high-temperature disordered phase. It is found that a second-order transition occurs at a temperature of 3·6°K.

Original languageEnglish
Article number305
Pages (from-to)34-39
Number of pages6
JournalJournal of Physics A: Mathematical and General
Volume1
Issue number1
DOIs
Publication statusPublished - 1968

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