Dimers in two-dimensional 3He- 4He mixtures

E Krotscheck, Janne Paaso, M Saarela, K Schörkhuber

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)


Ground-state properties of two-dimensional 3He−4He mixtures are studied at zero temperature. A general argument based on the long-ranged attraction of the phonon exchange is given for the existence of 3He dimers in low-concentration mixtures with 4He. The binding energy of dimers ranges from milli- to microkelvins with increasing 4He density. By comparing the 3He impurity chemical potential in 4He with the one in pure 3He we conclude that at finite pressures 3He dimers form a mixture with 4He with a maximum solubility of ≈3%.
Original languageEnglish
Pages (from-to)2344-2347
Number of pages4
JournalPhysical Review Letters
Publication statusPublished - 2000
MoE publication typeA1 Journal article-refereed


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